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Task Cameo Content Finder

  1. Scroll to find the content you want.
  2. Select an activity and click to show its cameo.
OR...

Search (Ctrl F) for a task by name to show its content item by item. Try it for the tasks in the photos.

If you are a primary teacher interested in enhancing your children's number sense, concepts and skills, you might also use the Content Finder at Calculating Changes.


Algebra Through Geometry & Crossing The River 1 in Yr 7

They obviously like doing their tasks, but what mathematics might they learn? Use this page to help you find out.

Please help perfect this Content Finder. If you find errors, or have suggestions for content changes, please contact: doug@blackdouglas.com.au

Green Line

All tasks involve reasoning, mathematical conversation, problem posing, problem solving
and the application of problem solving strategies because all tasks are an invitation to work like a mathematician.

However, some tasks provide a (relatively) content-free opportunity to demonstrate reasoning processes and these have a
special listing under the heading Reasoning. When digging into the iceberg of some of these, hidden content sometimes surprises.

Content

Task Name (& Number)

1:1 correspondence Cars In A Garage (2) ... The Frog Pond (13) ... Domino Trails (15) ... Cookie Count (19) ...

2D representation of 3D objects Cube Nets (31) ... Tetrahedron Nets (32) ... Fold Up Houses (55) ... Making Solids (67) ... Tricubes (69) ... Tricube Constructions A (77) ... Which View? (78) ... Tricube Constructions B (90) ... Four Cube Houses (103) ... Building Views (104) ... Soma Cube 1 (105) ... Farmyard Views (121) ... Photo Angles (156) ... Brick Walls (158) ... Painted Cubes (160) ... Soma Cube 2 (161) ... Magic Cube (174) ... Tetrahedron Triangles (186) ... Keith's Kubes (192) ... Surface Area with Tricubes (193) ... Cube Numbers (208) ... Pattern Cube (209) ... Playing With Objects (226) ... Growing Tricubes (234) ...

Addition Dominoes (33) ... Number Tiles (43) ... Fay's Nines (54) ... Eureka (163) ... Cover Up (172) ... Arithmagons 1 (188) ... Arithmagons 2 (194) ... Add The Pack (225) ... Dice Footy (232) ... Less Than Fractions (240) ...

Algebra, concept of a function / variable Lining Up (11) ... Squares Around Squares (24) ... Triangles Around Triangles (42) ... Staircase (51) ... Fold Up Houses (55) ... Double Staircase (61) ... Time Swing (85) ... Garden Beds (147) ... Painted Rods (152) ... 4 Arm Shapes (154) ... Brick Walls (158) ... Painted Cubes (160) ... Crossing The River 1 (173) ... Match Triangles (178) ... Unseen Triangles (179) ... Making Monuments (180) ... Pointy Fences (181) ... Jumping Kangaroos (182) ... Reverse (184) ... Tetrahedron Triangles (186) ... Intersections (206) ... Cube Numbers (208) ... Smooth Edge Tiles (220) ... Triangles & Colours (221) ... Add The Pack (225) ... Growing Tricubes (234) ...

Algebra, cubic Painted Cubes (160) ... Cube Numbers (208) ... Triangles & Colours (221) ... Growing Tricubes (234) ...

Algebra, equivalent expressions Lining Up (11) ... Squares Around Squares (24) ... Triangles Around Triangles (42) ... Shape Algebra (65) ... Algebra Through Geometry (71) ... Time For Tiling (140) ... Garden Beds (147) ... Painted Rods (152) ... 4 Arm Shapes (154) ... Match Triangles (178) ... Unseen Triangles (179) ... Making Monuments (180) ... Pointy Fences (181) ... Jumping Kangaroos (182) ...

Algebra, factorisation Squares Around Squares (24) ... Triangles Around Triangles (42) ... Number Tiles (43) ... Staircase (51) ... Fold Up Houses (55) ... Two Squares (57) ... Double Staircase (61) ... Difference Between Two Squares (64) ... Garden Beds (147) ... Painted Rods (152) ... 4 Arm Shapes (154) ... Match Triangles (178) ... Unseen Triangles (179) ... Making Monuments (180) ... Pointy Fences (181) ... Jumping Kangaroos (182) ... Cube Numbers (208) ... Triangles & Colours (221) ...

Algebra, generalisation in words & symbols Cars In A Garage (2) ... Window Frames (4) ... Make A Snake (5) ... Consecutive Sums (7) ... Addition Totals (8) ... Find My Pattern (10) ... Lining Up (11) ... Squares Around Squares (24) ... Can Stack (27) ... Plate Triangles (28) ... The Farmer's Puzzles (29) ... Triangles Around Triangles (42) ... Number Tiles (43) ... Eric The Sheep (45) ... How Many Triangles? (48) ... Staircase (51) ... Fold Up Houses (55) ... Two Squares (57) ... 13 Away (59) ... Double Staircase (61) ... Difference Between Two Squares (64) ... Farmyard (72) ... Snail Trail (82) ... Time Swing (85) ... Thirty-One (86) ... Pyramid Puzzle (101) ... How Many Squares? (108) ... Square Numbers (111) ... Ice Cream Flavours (118) ... Red To Blue (132) ... Squound (139) ... Time For Tiling (140) ... Flags From A Ship (141) ... Garden Beds (147) ... Chess Queens (150) ... Painted Rods (152) ... 4 Arm Shapes (154) ... Brick Walls (158) ... Mirror Patterns 2 (159) ... Painted Cubes (160) ... Crossing The River 1 (173) ... Magic Cube (174) ... Match Triangles (178) ... Unseen Triangles (179) ... Making Monuments (180) ... Pointy Fences (181) ... Jumping Kangaroos (182) ... Reverse (184) ... Tetrahedron Triangles (186) ... Area of a Triangle (187) ... Arithmagons 1 (188) ... Pythagoras 2 (189) ... Arithmagons 2 (194) ... Stop At 4 (195) ... Intersections (206) ... Cube Numbers (208) ... Take Away Tiles (215) ... Kids On Grids (217) ... Smooth Edge Tiles (220) ... Triangles & Colours (221) ... Add The Pack (225) ... Flowers In The Field (231) ... Growing Tricubes (234) ... Star Numbers (236) ...

Algebra, like & unlike terms Shape Algebra (65) ... Algebra Through Geometry (71) ... Pythagoras 2 (189) ...

Algebra, linear Squares Around Squares (24) ... Triangles Around Triangles (42) ... Fold Up Houses (55) ... Fried Rice (63) ... Garden Beds (147) ... Painted Rods (152) ... 4 Arm Shapes (154) ... Brick Walls (158) ... Painted Cubes (160) ... Crossing The River 1 (173) ... Match Triangles (178) ... Unseen Triangles (179) ... Making Monuments (180) ... Pointy Fences (181) ... Reverse (184) ... Monkeys & Bananas (212) ... Kids On Grids (217) ... The Hole In The Triangle (219) ... Triangles & Colours (221) ... Growing Tricubes (234) ...

Algebra, quadratic Same Or Different (18) ... Squares Around Squares (24) ... Triangles Around Triangles (42) ... How Many Triangles? (48) ... Staircase (51) ... Double Staircase (61) ... Painted Cubes (160) ... Jumping Kangaroos (182) ... Tetrahedron Triangles (186) ... Intersections (206) ... Kids On Grids (217) ... Triangles & Colours (221) ... Add The Pack (225) ... Growing Tricubes (234) ... Star Numbers (236) ...

Arithmetic, addition / subtraction Window Frames (4) ... Consecutive Sums (7) ... Addition Totals (8) ... Row Points (9) ... Find My Pattern (10) ... Lining Up (11) ... The Frog Pond (13) ... Heads & Legs (14) ... Domino Trails (15) ... Truth Tiles 2 (17) ... Can Stack (27) ... Plate Triangles (28) ... Truth Tiles 1 (30) ... Dice Differences (34) ... Crosses (35) ... Fraction Magic Square (37) ... Mushroom Hunt (38) ... Number Tiles (43) ... Which Floor? (52) ... Fay's Nines (54) ... Challenge (56) ... Two Squares (57) ... 4 & 20 Blackbirds (62) ... Fried Rice (63) ... Thirty-One (86) ... Rice, Rice, Rice (88) ... Doctor Dart (89) ... Pick A Box (91) ... Magic Squares (92) ... Martian Maths (98) ... How Many Things? (99) ... Number Game (109) ... Police Line Up (119) ... Football Ladder (122) ... Highest Number 1 (127) ... Highest Number 2 (128) ... Protons & Anti-Protons (130) ... Walk The Plank (131) ... Win At The Fair (133) ... Squound (139) ... Time For Tiling (140) ... Garden Beds (147) ... Painted Rods (152) ... 4 Arm Shapes (154) ... Brick Walls (158) ... Mirror Patterns 2 (159) ... Eureka (163) ... Change (165) ... Cover Up (172) ... Magic Cube (174) ... Steps (176) ... Making Monuments (180) ... Pointy Fences (181) ... Arithmagons 1 (188) ... Magic Hexagon (190) ... Arithmagons 2 (194) ... Stop At 4 (195) ... Rectangle Fractions (201) ... Decimals With A Tape (204) ... Division Boxes (210) ... Monkeys & Bananas (212) ... Take Away Tiles (215) ... Guessing Colours Game (218) ... Smooth Edge Tiles (220) ... Add The Pack (225) ... Animal Farm (229) ... Pack Up Your Bears (230) ... Flowers In The Field (231) ... Money Money Money (233) ... Tables for 25 (235) ... Money Charts (239) ... Sicherman Dice (241) ...

Arithmetic, multiplication / division Doug's Tablecloth (3) ... Window Frames (4) ... Consecutive Sums (7) ... Row Points (9) ... Lining Up (11) ... Heads & Legs (14) ... Domino Trails (15) ... Cookie Count (19) ... Can Stack (27) ... Plate Triangles (28) ... Truth Tiles 1 (30) ... Eric The Sheep (45) ... Staircase (51) ... Fold Up Houses (55) ... Two Squares (57) ... Double Staircase (61) ... 4 & 20 Blackbirds (62) ... Thirty-One (86) ... Rice, Rice, Rice (88) ... Doctor Dart (89) ... Pick A Box (91) ... Magic Squares (92) ... Martian Maths (98) ... How Many Things? (99) ... Number Game (109) ... Police Line Up (119) ... Football Ladder (122) ... Bob's Buttons (123) ... Four Bead Mix (136) ... Garden Beds (147) ... Painted Rods (152) ... 4 Arm Shapes (154) ... Brick Walls (158) ... Mirror Patterns 2 (159) ... Painted Cubes (160) ... Eureka (163) ... Change (165) ... Cover Up (172) ... Crossing The River 1 (173) ... Magic Cube (174) ... Steps (176) ... Making Fractions 2 (177) ... Match Triangles (178) ... Making Monuments (180) ... Pointy Fences (181) ... Magic Hexagon (190) ... Making Fractions 3 (199) ... Rectangle Fractions (201) ... Decimals With A Tape (204) ... Monkeys & Bananas (212) ... Smooth Edge Tiles (220) ... Making Fractions 1 (222) ... Add The Pack (225) ... Flowers In The Field (231) ... Money Money Money (233) ... Tables for 25 (235) ...

Average Row Points (9) ... Magic Hexagon (190) ... Chocolate Chip Cookies (197) ... What's In The Bag? (198) ... Greedy Pig (200) ... Angle Estimation (214) ... Dice Footy (232) ...

Binary numbers Mushroom Hunt (38) ... Tower Of Hanoi (142) ...

Combination theory / ordered arrangements Cars In A Garage (2) ... Counter Escape (6) ... Truth Tiles 2 (17) ... Same Or Different (18) ... Truth Tiles 1 (30) ... Number Tiles (43) ... Latin Squares (44) ... Flight Departures (50) ... Fay's Nines (54) ... First Down The Mountain (87) ... Crazy Animals (102) ... McMahon's Triangles 2 (107) ... Ice Cream Flavours (118) ... Police Line Up (119) ... Football Ladder (122) ... Farmyard Friends (129) ... Win At The Fair (133) ... Training For Maths (137) ... Flags From A Ship (141) ... McMahon's Triangles 1 (148) ... Eureka (163) ... Sliding Tiles (167) ... Number Discs (171) ... Steps (176) ... Pizza Toppings (183) ... Keith's Kubes (192) ... Triangles & Colours (221) ... Matching Faces (224) ... Flowers In The Field (231) ...

Concept of proof Consecutive Sums (7) ... Addition Totals (8) ... Truth Tiles 1 (30) ... Number Tiles (43) ... Staircase (51) ... Fay's Nines (54) ... Fold Up Houses (55) ... Double Staircase (61) ... 4 & 20 Blackbirds (62) ... Square Numbers (111) ... Game Show (162) ... Eureka (163) ... Number Discs (171) ... Pythagoras 1 (175) ... Steps (176) ... Making Fractions 2 (177) ... Pizza Toppings (183) ... Reverse (184) ... Coloured Cubes (185) ... Area of a Triangle (187) ... Arithmagons 1 (188) ... Pythagoras 2 (189) ... Choosing Beads (191) ... Keith's Kubes (192) ... Arithmagons 2 (194) ... Stop At 4 (195) ... Cross & Square (196) ... What's In The Bag? (198) ... Making Fractions 3 (199) ... Division Boxes (210) ... Chains (213) ... Angle Estimation (214) ... Take Away Tiles (215) ... Square Pairs (216) ... The Hole In The Triangle (219) ... Making Fractions 1 (222) ... Sicherman Dice (241) ...

Consecutive Numbers Window Frames (7) ... Consecutive Sums (7) ... Pick A Box (91) ... Add The Pack (225) ...

Counting Cars In A Garage (2) ... Doug's Tablecloth (3) ... Make A Snake (5) ... Find My Pattern (10) ... Domino Trails (15) ... Cookie Count (19) ... Time Together (22) ... Which Floor? (52) ... Rice, Rice, Rice (88) ... Crossing The Desert (94) ... How Many Things? (99) ... Building Views (104) ... Ice Cream Flavours (118) ... Bob's Buttons (123) ... Flags From A Ship (141) ... Change (165) ... Stop At 4 (195) ... Intersections (206) ... Triangles & Colours (221) ... Pack Up Your Bears (230) ... Flowers In The Field (231) ...

Decimals, calculations Making Fractions 2 (177) ... Cross & Square (196) ... Making Fractions 3 (199) ... Greedy Pig (200) ... Decimals With A Tape (204) ... The Hole In The Triangle (219) ... Making Fractions 1 (222) ...

Decimals, number line Decimals With A Tape (204) ... Peg & Tape Fractions (205) ... Kids On Grids (217) ...

Difference between 2 squares Squares Around Squares (24) ... Triangles Around Triangles (42) ... Two Squares (57) ... Difference Between Two Squares (64) ... Cross & Square (196) ...

Divisibility Tests Division Boxes (210) ...

Division Doug's Tablecloth (3) ... Heads & Legs (14) ... Cookie Count (19) ... Eric The Sheep (45) ... Bob's Buttons (123) ... Division Boxes (210) ... Flowers In The Field (231) ...

Equations, linear programming Heads & Legs (14) ...

Equations, creating Criss-Cross Numbers (39) ... Number Game (109) ... Mirror Patterns 2 (159) ... Unseen Triangles (179) ... Reverse (184) ... Tetrahedron Triangles (186) ... Area of a Triangle (187) ... Pythagoras 2 (189) ... Cube Numbers (208) ... Kids On Grids (217) ... Playing With Objects (226) ... Animal Farm (229) ... Pack Up Your Bears (230) ... Money Money Money (233) ... Growing Tricubes (234) ... Money Charts (239) ...

Equations, simultaneous Heads & Legs (14) ... Time Together (22) ... Fold Up Houses (55) ... Photo Angles (156) ... Kids On Grids (217) ... Money Money Money (233) ...

Equations, substitution & solution Can Stack (27) ... Criss-Cross Numbers (39) ... Staircase (51) ... Fold Up Houses (55) ... Double Staircase (61) ... Time For Tiling (140) ... Garden Beds (147) ... Painted Rods (152) ... 4 Arm Shapes (154) ... Mirror Patterns 2 (159) ... Painted Cubes (160) ... Crossing The River 1 (173) ... Match Triangles (178) ... Unseen Triangles (179) ... Making Monuments (180) ... Pointy Fences (181) ... Jumping Kangaroos (182) ... Tetrahedron Triangles (186) ... Intersections (206) ... Animal Farm (229) ... Pack Up Your Bears (230) ... Money Money Money (233) ... Growing Tricubes (234) ... Money Charts (239) ...

Estimating angles Angle Estimation (214) ...

Estimating fractions Peg & Tape Fractions (205) ... Angle Estimation (214) ... Volume Line Up (227) ...

Estimating number Rice, Rice, Rice (88) ... How Many Things? (99) ... Planets (126) ... Decimals With A Tape (204) ... Peg & Tape Fractions (205) ... Volume Line Up (227) ...

Estimating volume/capacity Volume Line Up (227) ...

Factors, multiples & primes Octaflex (16) ... Cookie Count (19) ... Fried Rice (63) ... Difference Between Two Squares (64) ... Where Is The Rectangle? (114) ... Bob's Buttons (123) ... Four Bead Mix (136) ... Rectangle Of Squares (138) ... Mirror Patterns 2 (159) ... Sphinx (166) ... Division Boxes (210) ... Smooth Edge Tiles (220) ... Flowers In The Field (231) ... Tables for 25 (235) ... Growing Trisquares (238) ...

Flow charts Button Sort (74) ... Crossing The River 2 (106) ... Red To Blue (132) ... Arithmagons 1 (188) ... Arithmagons 2 (194) ...

Forces See Saw (58) ... Time Swing (85) ...

Fractions, calculations Time Together (22) ... In Between Time (25) ... Fraction Magic Square (37) ... Four Bead Mix (136) ... Mirror Patterns 2 (159) ... Making Fractions 2 (177) ... Making Fractions 3 (199) ... Rectangle Fractions (201) ... Rod Mats (202) ... Make The Whole (203) ... Monkeys & Bananas (212) ... Kids On Grids (217) ... Making Fractions 1 (222) ... Flowers In The Field (231) ... Less Than Fractions (240) ...

Fractions, equivalence Fraction Magic Square (37) ... Four Bead Mix (136) ... Making Fractions 2 (177) ... Making Fractions 3 (199) ... Rectangle Fractions (201) ... Rod Mats (202) ... Make The Whole (203) ... Making Fractions 1 (222) ... Less Than Fractions (240) ...

Fractions, reciprocal Making Fractions 2 (177) ... Making Fractions 3 (199) ... Making Fractions 1 (222) ...

Fractions, whole & parts Doug's Tablecloth (3) ... Cookie Count (19) ... Time Together (22) ... In Between Time (25) ... Farmyard (72) ... Dividing Shapes (115) ... Four Bead Mix (136) ... Making Fractions 2 (177) ... Making Fractions 3 (199) ... Rectangle Fractions (201) ... Rod Mats (202) ... Make The Whole (203) ... Decimals With A Tape (204) ... Peg & Tape Fractions (205) ... Monkeys & Bananas (212) ... Angle Estimation (214) ... Kids On Grids (217) ... Making Fractions 1 (222) ... Less Than Fractions (240) ...

Fractions, value relations Farmyard (72) ... What's It Worth? (75) ... Tangram Teasers (79) ... Sphinx (166) ... Equilateral Triangles (170) ... Making Fractions 2 (177) ... Making Fractions 3 (199) ... Making Fractions 1 (222) ... Trisquares (237) ... Growing Trisquares (238) ...

Graphical representation Make A Snake (5) ... Find My Pattern (10) ... Time Together (22) ... Mushroom Hunt (38) ... Eric The Sheep (45) ... How Many Triangles? (48) ... Staircase (51) ... Fold Up Houses (55) ... Double Staircase (61) ... How Many Squares? (108) ... Time For Tiling (140) ... Tower Of Hanoi (142) ... Garden Beds (147) ... Painted Rods (152) ... 4 Arm Shapes (154) ... Brick Walls (158) ... Mirror Patterns 2 (159) ... Painted Cubes (160) ... Crossing The River 1 (173) ... Match Triangles (178) ... Unseen Triangles (179) ... Making Monuments (180) ... Pointy Fences (181) ... Jumping Kangaroos (182) ... Tetrahedron Triangles (186) ... Intersections (206) ... Cube Numbers (208) ... Kids On Grids (217) ... Growing Tricubes (234) ... Star Numbers (236) ...

Graph theory Coloured Cubes (185)

History of mathematics Martian Maths (98) ... Crossing The River 2 (106) ... Famous Mathematicians (135) ... Hearts & Loops (143) ... Pascal's Triangle in Asia (144) ... Haberdasher's Problem (146) ... Sliding Tiles (167) ... Magic Cube (174) ... Pythagoras 1 (175) ... Coloured Cubes (185) ... Pythagoras 2 (189) ... Magic Hexagon (190) ... Square Pairs (216) ...

Integer arithmetic Red & Black Card Game (47) ... Protons & Anti-Protons (130) ... Walk The Plank (131) ... Guessing Colours Game (218) ...

Integer, concept of Protons & Anti-Protons (130) ...

Integer value of a number Eric The Sheep (45) ...

Language of space, position & order Cars In A Garage (2) ... Travelling Australia (26) ... Scale Drawing (41) ... Back To Back Building (60) ... Leading The Blind (93) ... Who Lives Where (110) ... Where Is The Rectangle? (114) ... Who Owns The Monkey? (116) ... Ice Cream Flavours (118) ... Police Line Up (119) ... Farmyard Views (121) ... Football Ladder (122) ... Farmyard Race Day (125) ... Farmyard Friends (129) ... Walk The Plank (131) ... Flags From A Ship (141) ... Hearts & Loops (143) ... Haberdasher's Problem (146) ... Knight Swap (151) ... Knight Protectors (153) ... Photo Angles (156) ... Mirror Patterns 3 (168) ... Wallpaper Patterns (169) ... Area of a Triangle (187) ... Intersections (206) ... Kids On Grids (217) ... Playing With Objects (226) ...

Magic squares Fraction Magic Square (37) ... Magic Squares (92) ... Coloured Squares (112) ... Magic Cube (174) ...

Mathematical induction Pyramid Puzzle (101) ... Square Numbers (111) ...

Mathematical modelling Final Eight (1) ... Land of ET (145) ... Chocolate Chip Cookies (197) ... Dice Footy (232) ...

Measurement, angle Time Together (22) ... In Between Time (25) ... Tangram Teasers (79) ... Reflection (95) ... Haberdasher's Problem (146) ... Photo Angles (156) ... Mirror Patterns 2 (159) ... Symmetric Tiles (164) ... Mirror Patterns 3 (168) ... Cross & Square (196) ... Angle Estimation (214) ... The Hole In The Triangle (219) ... Matching Faces (224) ...

Measurement, area Octaflex (16) ... Scale Drawing (41) ... Two Squares (57) ... Difference Between Two Squares (64) ... Shape Algebra (65) ... Pentominoes (66) ... Algebra Through Geometry (71) ... Farmyard (72) ... Tangram Teasers (79) ... Rectangle Nightmare (84) ... Pythagoras Rods (97) ... Where Is The Rectangle? (114) ... Dividing Shapes (115) ... Rectangle Of Squares (138) ... 64 = 65 (155) ... Photo Angles (156) ... Brick Walls (158) ... Symmetric Tiles (164) ... Sphinx (166) ... Pythagoras 1 (175) ... Making Fractions 2 (177) ... Tetrahedron Triangles (186) ... Area of a Triangle (187) ... Pythagoras 2 (189) ... Surface Area with Tricubes (193) ... Cross & Square (196) ... Making Fractions 3 (199) ... The Hole In The Triangle (219) ... Making Fractions 1 (222) ... Playing With Objects (226) ... Volume Line Up (227) ... Growing Tricubes (234) ... Trisquares (237) ... Growing Trisquares (238) ...

Measurement, length Doug's Tablecloth (3) ... Pack The Box (20) ... Scale Drawing (41) ... Tangram Teasers (79) ... Rectangle Nightmare (84) ... Time Swing (85) ... Reflection (95) ... Pythagoras Rods (97) ... Where Is The Rectangle? (114) ... Planets (126) ... Rectangle Of Squares (138) ... Haberdasher's Problem (146) ... Photo Angles (156) ... Brick Walls (158) ... Mirror Patterns 3 (168) ... Pythagoras 1 (175) ... Area of a Triangle (187) ... Cross & Square (196) ... Decimals With A Tape (204) ... Peg & Tape Fractions (205) ... Kids On Grids (217) ... Playing With Objects (226) ... Volume Line Up (227) ... Growing Tricubes (234) ...

Measurement, mass / weight See Saw (58) ... Fried Rice (63) ... Rice, Rice, Rice (88) ... How Many Things? (99) ... Playing With Objects (226) ...

Measurement, perimeter Octaflex (16) ... Six Square Puzzle (68) ... Farmyard (72) ... Tangram Teasers (79) ... Dividing Shapes (115) ... Rectangle Of Squares (138) ... Photo Angles (156) ... Brick Walls (158) ... Sphinx (166) ... Triangle Perimeters (207) ... Playing With Objects (226) ... Volume Line Up (227) ... Growing Tricubes (234) ... Trisquares (237) ... Growing Trisquares (238) ...

Measurement, time Time Together (22) ... In Between Time (25) ... Travelling Australia (26) ... Racetrack (83) ... Time Swing (85) ... Calendar (113) ...

Measurement, volume Pack The Box (20) ... Making Solids (67) ... Rice, Rice, Rice (88) ... Brick Walls (158) ... Surface Area with Tricubes (193) ... Pattern Cube (209) ... Playing With Objects (226) ... Volume Line Up (227) ... Growing Tricubes (234) ...

Mental arithmetic Row Points (9) ... Crosses (35) ... Difference Between Two Squares (64) ... Pentominoes (66) ... Thirty-One (86) ... Doctor Dart (89) ... Number Game (109) ... Garden Beds (147) ... Painted Rods (152) ... 4 Arm Shapes (154) ... Brick Walls (158) ... Mirror Patterns 2 (159) ... Painted Cubes (160) ... Eureka (163) ... Cover Up (172) ... Crossing The River 1 (173) ... Magic Cube (174) ... Steps (176) ... Making Fractions 2 (177) ... Match Triangles (178) ... Unseen Triangles (179) ... Making Monuments (180) ... Pointy Fences (181) ... Tetrahedron Triangles (186) ... Area of a Triangle (187) ... Arithmagons 1 (188) ... Magic Hexagon (190) ... Surface Area with Tricubes (193) ... Arithmagons 2 (194) ... Making Fractions 3 (199) ... Greedy Pig (200) ... Decimals With A Tape (204) ... Peg & Tape Fractions (205) ... Division Boxes (210) ... Angle Estimation (214) ... Take Away Tiles (215) ... Kids On Grids (217) ... Guessing Colours Game (218) ... Smooth Edge Tiles (220) ... Making Fractions 1 (222) ... Add The Pack (225) ... Animal Farm (229) ... Pack Up Your Bears (230) ... Flowers In The Field (231) ... Dice Footy (232) ... Money Money Money (233) ... Growing Tricubes (234) ... Money Charts (239) ... Less Than Fractions (240) ...

Money What's It Worth? (75) ... A Dollar To Spend (80) ... Four Cube Houses (103) ... Change (165) ... Making Fractions 2 (177) ... Making Fractions 3 (199) ... Making Fractions 1 (222) ... Money Money Money (233) ... Money Charts (239) ...

Multiplication, array concept Bob's Buttons (123) ... Garden Beds (147) ... Pointy Fences (181) ... Pythagoras 2 (189) ... Cross & Square (196) ... Smooth Edge Tiles (220) ...

Multiplication, calculations / times tables Heads & Legs (14) ... Cookie Count (19) ... Eric The Sheep (45) ... Have A Hexagon (53) ... Fried Rice (63) ... Bob's Buttons (123) ... Garden Beds (147) ... Brick Walls (158) ... Painted Cubes (160) ... Pointy Fences (181) ... Tetrahedron Triangles (186) ... Pythagoras 2 (189) ... Cross & Square (196) ... Smooth Edge Tiles (220) ... Add The Pack (225) ... Dice Footy (232) ... Less Than Fractions (240) ...

Multiplication, groups of Bob's Buttons (123) ...

Multiplication, multiplicative thinking, multiplication principle of counting Cars In A Garage (2) ... Crazy Animals (102) ... Ice Cream Flavours (118) ... Flags From A Ship (141) ... Pizza Toppings (183) ... Cross & Square (196) ... Matching Faces (224) ... Add The Pack (225) ...

Number line Walk The Plank (131) ... Decimals With A Tape (204) ... Peg & Tape Fractions (205) ... Kids On Grids (217) ... Less Than Fractions (240) ...

Numbers, cube Pythagoras Rods (97) ... Crazy Animals (102) ... Magic Cube (174) ... How Many Squares? (108) ... Cube Numbers (208) ... Pattern Cube (209) ... Growing Tricubes (234) ...

Numbers, large Planets (126) ...

Numbers, odd & even numbers Crosses (35) ... Doctor Dart (89) ... Pick A Box (91) ... How Many Squares? (108) ... Square Numbers (111) ... Nim (120) ... Red To Blue (132) ... Time For Tiling (140) ... Eureka (163) ... Cover Up (172) ... Division Boxes (210) ... Soft Drink Crates (211) ... Chains (213) ... Square Pairs (216) ...

Numbers, properties & laws Truth Tiles 1 (30) ... Number Game (109) ... Nim (120) ... Protons & Anti-Protons (130) ... Time For Tiling (140) ... Land of ET (145) ... Eureka (163) ... Cover Up (172) ... Stop At 4 (195) ... Division Boxes (210) ... Take Away Tiles (215) ...

Numbers, square Tetrahedron Nets (32) ... How Many Triangles? (48) ... Difference Between Two Squares (64) ... Pythagoras Rods (97) ... Pyramid Puzzle (101) ... How Many Squares? (108) ... Square Numbers (111) ... Nim (120) ... Sphinx (166) ... Pythagoras 1 (175) ... Tetrahedron Triangles (186) ... Pythagoras 2 (189) ... Cross & Square (196) ... Square Pairs (216) ... Growing Tricubes (234) ... Growing Trisquares (238) ...

Numbers, triangle Same Or Different (18) ... Plate Triangles (28) ... How Many Triangles? (48) ... Pyramid Puzzle (101) ... Squound (139) ... Pizza Toppings (183) ... Tetrahedron Triangles (186) ... Chains (213) ... Intersections (206) ... Triangles & Colours (221) ... Star Numbers (236) ... Less Than Fractions (240) ...

Pascal's Triangle Training For Maths (137) ... Pascal's Triangle in Asia (144) ... Pizza Toppings (183) ...

Patterns, colour Cars In A Garage (2) ... Make A Snake (5) ... Ice Cream Flavours (118) ... Flags From A Ship (141) ... Paving Views (157) ... Pattern Cube (209) ... Triangles & Colours (221) ...

Patterns, Fibonacci / Golden Ratio Pentagon Triangles (81) ... Rectangle Nightmare (84) ... Training For Maths (137) ... Rectangle Of Squares (138) ... 64 = 65 (155) ... The Hole In The Triangle (219) ...

Patterns, number Window Frames (4) ... Make A Snake (5) ... Consecutive Sums (7) ... Addition Totals (8) ... Find My Pattern (10) ... Lining Up (11) ... Heads & Legs (14) ... Squares Around Squares (24) ... Can Stack (27) ... Plate Triangles (28) ... The Farmer's Puzzles (29) ... Truth Tiles 1 (30) ... Crosses (35) ... Mushroom Hunt (38) ... Triangles Around Triangles (42) ... Number Tiles (43) ... Eric The Sheep (45) ... How Many Triangles? (48) ... Take A Chance (49) ... Staircase (51) ... Fay's Nines (54) ... Fold Up Houses (55) ... 13 Away (59) ... Double Staircase (61) ... 4 & 20 Blackbirds (62) ... Fried Rice (63) ... Farmyard (72) ... Snail Trail (82) ... Thirty-One (86) ... Pyramid Puzzle (101) ... Crazy Animals (102) ... Square Numbers (111) ... Coloured Squares (112) ... Calendar (113) ... Dividing Shapes (115) ... Bob's Buttons (123) ... Planets (126) ... Training For Maths (137) ... Squound (139) ... Time For Tiling (140) ... Tower Of Hanoi (142) ... Pascal's Triangle in Asia (144) ... Garden Beds (147) ... Painted Rods (152) ... 4 Arm Shapes (154) ... Brick Walls (158) ... Mirror Patterns 2 (159) ... Painted Cubes (160) ... Change (165) ... Equilateral Triangles (170) ... Cover Up (172) ... Crossing The River 1 (173) ... Steps (176) ... Match Triangles (178) ... Unseen Triangles (179) ... Making Monuments (180) ... Pointy Fences (181) ... Pizza Toppings (183) ... Reverse (184) ... Tetrahedron Triangles (186) ... Intersections (206) ... Cube Numbers (208) ... Chains (213) ... Kids On Grids (217) ... Triangles & Colours (221) ... Matching Faces (224) ... Add The Pack (225) ... Animal Farm (229) ... Pack Up Your Bears (230) ... Flowers In The Field (231) ... Growing Tricubes (234) ... Star Numbers (236) ... Less Than Fractions (240) ...

Patterns, visual Cars In A Garage (2) ... Make A Snake (5) ... Can Stack (27) ... Plate Triangles (28) ... The Farmer's Puzzles (29) ... Latin Squares (44) ... Eric The Sheep (45) ... Staircase (51) ... Fold Up Houses (55) ... Double Staircase (61) ... What's It Worth? (75) ... McMahon's Triangles 2 (107) ... Coloured Squares (112) ... Ice Cream Flavours (118) ... Flags From A Ship (141) ... Garden Beds (147) ... A Stacking Problem (149) ... Paving Views (157) ... Brick Walls (158) ... Mirror Patterns 2 (159) ... Symmetric Tiles (164) ... Mirror Patterns 3 (168) ... Wallpaper Patterns (169) ... Equilateral Triangles (170) ... Crossing The River 1 (173) ... Unseen Triangles (179) ... Pointy Fences (181) ... Reverse (184) ... Tetrahedron Triangles (186) ... Pattern Cube (209) ... Chains (213) ... Kids On Grids (217) ... Triangles & Colours (221) ... Add The Pack (225) ... Flowers In The Field (231) ... Growing Tricubes (234) ... Star Numbers (236) ...

Place value Dominoes (33) ... Criss-Cross Numbers (39) ... Number Tiles (43) ... Fay's Nines (54) ... Martian Maths (98) ... Number Game (109) ... Highest Number 1 (127) ... Highest Number 2 (128) ... Pascal's Triangle in Asia (144) ... Decimals With A Tape (204) ... Take Away Tiles (215) ...

Position in space, 2D or 3D Pack The Box (20) ... Back To Back Building (60) ... Photo Angles (156) ... Area of a Triangle (187) ... Surface Area with Tricubes (193) ... Pattern Cube (209) ... Kids On Grids (217) ...

Powers of 2 Make A Snake (5) ... Mushroom Hunt (38) ... Tower Of Hanoi (142) ... A Stacking Problem (149) ... Sphinx (166) ... Making Fractions 2 (177) ... Pizza Toppings (183) ... Flowers In The Field (231) ... Growing Tricubes (234) ... Growing Trisquares (238) ...

Probability calculations Final Eight (1) ... Counter Escape (6) ... Dice Differences (34) ... Take A Chance (49) ... Have A Hexagon (53) ... Tube Toss (76) ... First Down The Mountain (87) ... Crazy Animals (102) ... Twelve Counters (117) ... Highest Number 1 (127) ... Highest Number 2 (128) ... Win At The Fair (133) ... Game Show (162) ... Cover Up (172) ... What's In The Bag? (198) ... Greedy Pig (200) ... Guessing Colours Game (218) ... Cat & Mouse (223) ... Dice Footy (232) ... Sicherman Dice (241) ...

Probability, complementary Matching Cards (12) ... Same or Different (18) ... Game Show (162) ...

Probability, concept of fairness Same or Different (18) ... Tube Toss (76) ... Twelve Counters (117) ... Win At The Fair (133) ... Cat & Mouse (223) ...

Probability, conditional Same or Different (18) ... First Down The Mountain (87) ... Game Show (162) ... What's In The Bag? (198) ...

Probability, expected number Counter Escape (6) ... Dice Differences (34) ... Red & Black Card Game (47) ... First Down The Mountain (87) ... Twelve Counters (117) ... Highest Number 1 (127) ... Highest Number 2 (128) ... Win At The Fair (133) ... Greedy Pig (200) ... Cat & Mouse (223) ... Dice Footy (232) ...

Probability experiences Final Eight (1) ... Counter Escape (6) ... Matching Cards (12) ... The Frog Pond (13) ... Same or Different (18) ... Dice Differences (34) ... Crosses (35) ... Red & Black Card Game (47) ... Take A Chance (49) ... Tube Toss (76) ... First Down The Mountain (87) ... Crazy Animals (102) ... Twelve Counters (117) ... Highest Number 1 (127) ... Highest Number 2 (128) ... Win At The Fair (133) ... Game Show (162) ... Cover Up (172) ... Choosing Beads (191) ... Chocolate Chip Cookies (197) ... What's In The Bag? (198) ... Greedy Pig (200) ... Guessing Colours Game (218) ... Cat & Mouse (223) ... Dice Footy (232) ... Sicherman Dice (241) ...

Probability, sample space / sample size Matching Cards (12) ... Same or Different (18) ... Duelling Dice (46) ... Take A Chance (49) ... Tube Toss (76) ... Twelve Counters (117) ... Highest Number 1 (127) ... Highest Number 2 (128) ... Cover Up (172) ... Choosing Beads (191) ... What's In The Bag? (198) ... Guessing Colours Game (218) ... Cat & Mouse (223) ... Sicherman Dice (241) ...

Pythagoras theorem Pythagoras Rods (97) ... 64 = 65 (155) ... Photo Angles (156) ... Pythagoras 1 (175) ... Pythagoras 2 (189) ... Cross & Square (196) ...

Ratio & proportion Time Together (22) ... In Between Time (25) ... Scale Drawing (41) ... Rectangle Nightmare (84) ... Rice, Rice, Rice (88) ... Planets (126) ... Four Bead Mix (136) ... Photo Angles (156) ... Sphinx (166) ... Choosing Beads (191) ... What's In The Bag? (198) ... Peg & Tape Fractions (205) ... The Hole In The Triangle (219) ... Growing Tricubes (234) ... Growing Trisquares (238) ...

Reasoning Big Toe Os & Xs (0) ... Tactical (21) ... Two Colours Game (23) ... Diamonds & Rectangles (40) ... Crossing The Desert (94) ... Crossing The River 2 (106) ... Who Lives Where? (110) ... Coloured Squares (112) ... Who Owns The Monkey (116) ... Police Line Up (119) ... Human Moves Monster (124) ... Farmyard Race Day (125) ... Farmyard Friends (129) ... Eight Queens (134) ... Hearts & Loops (143) ... A Stacking Problem (149) ... Chess Queens (150) ... Knight Swap (151) ... Knight Protectors (153) ... Change (165) ... Sliding Tiles (167) ... Number Discs (171) ... Reverse (184) ... Coloured Cubes (185) ... Arithmagons 1 (188) ... Magic Hexagon (190) ... Choosing Beads (191) ... Keith's Kubes (192) ... Arithmagons 2 (194) ... Stop At 4 (195) ... Triangle Perimeters (207) ... Soft Drink Crates (211) ... Chains (213) ... Take Away Tiles (215) ... Square Pairs (216) ... Cat & Mouse (223) ... Koala Karts (228) ... Money Money Money (233) ... Money Charts (239) ...

Recording mathematics Cars In A Garage (2) ... Make A Snake (5) ... Matching Cards (12) ... The Frog Pond (13) ... Latin Squares (44) ... See Saw (58) ... Where Is The Rectangle? (114) ... Ice Cream Flavours (118) ... Highest Number 1 (127) ... Highest Number 2 (128) ... Red To Blue (132) ... Training For Maths (137) ... Hearts & Loops (143) ... Pascal's Triangle in Asia (144) ... Eureka (163) ... Wallpaper Patterns (169) ... Number Discs (171) ... Cover Up (172) ... Magic Cube (174) ... Steps (176) ... Unseen Triangles (179) ... Pizza Toppings (183) ... Reverse (184) ... Area of a Triangle (187) ... Arithmagons 1 (188) ... Choosing Beads (191) ... Keith's Kubes (192) ... Surface Area with Tricubes (193) ... Arithmagons 2 (194) ... Stop At 4 (195) ... Cross & Square (196) ... Chocolate Chip Cookies (197) ... Greedy Pig (200) ... Rod Mats (202) ... Make The Whole (203) ... Decimals With A Tape (204) ... Peg & Tape Fractions (205) ... Triangle Perimeters (207) ... Cube Numbers (208) ... Pattern Cube (209) ... Chains (213) ... Square Pairs (216) ... Kids On Grids (217) ... Guessing Colours Game (218) ... The Hole In The Triangle (219) ... Triangles & Colours (221) ... Matching Faces (224) ... Volume Line Up (227) ... Koala Karts (228) ... Animal Farm (229) ... Pack Up Your Bears (230) ... Flowers In The Field (231) ...

Scale drawing Matching Cards (12) ... Scale Drawing (41) ... Four Cube Houses (103) ... Planets (126) ... Photo Angles (156) ... Surface Area with Tricubes (193) ... Growing Tricubes (234) ...

Sequences & series Window Frames (4) ... Consecutive Sums (7) ... Staircase (51) ... Double Staircase (61) ... Pyramid Puzzle (101) ... Cover Up (172) ... Pizza Toppings (183) ... Tetrahedron Triangles (186) ... The Hole In The Triangle (219) ... Growing Tricubes (234) ...

Shapes, recognition Octaflex (16) ... Making Triangles (36) ... Pentominoes (66) ... Mirror Patterns 2 (159) ... Equilateral Triangles (170) ...

Shapes, properties The Farmer's Puzzles (29) ... Making Triangles (36) ... Tangram Teasers (79) ... Pentagon Triangles (81) ... Pythagoras Rods (97) ... Dividing Shapes (115) ... Haberdasher's Problem (146) ... Mirror Patterns 2 (159) ... Equilateral Triangles (170) ... Area of a Triangle (187) ... Cross & Square (196) ... Intersections (206) ... Koala Karts (228) ...

Similarity Scale Drawing (41) ... Pentagon Triangles (81) ... Photo Angles (156) ... Sphinx (166) ... Growing Trisquares (238) ...

Sorting, classifying, ordering Matching Cards (12) ... Domino Trails (15) ... Octaflex (16) ... Cube Nets (31) ... Making Triangles (36) ... Diamonds & Rectangles (40) ... Which Floor? (52) ... Button Sort (74) ... Squound (139) ... McMahon's Triangles 1 (148) ... Keith's Kubes (192) ... Triangle Perimeters (207) ... Triangles & Colours (221) ... Playing With Objects (226) ... Volume Line Up (227) ... Koala Karts (228) ...

Spatial perception 2D or 3D Doug's Tablecloth (3) ... Row Points (9) ... Octaflex (16) ... Pack The Box (20) ... Tactical (21) ... Two Colours Game (23) ... The Farmer's Puzzles (29) ... Challenge (56) ... Back To Back Building (60) ... Pentominoes (66) ... Making Solids (67) ... Tricubes (69) ... Symmetric Shapes (70) ... Farmyard (72) ... In The Bag (73) ... Tricube Constructions A (77) ... Which View? (78) ... Tangram Teasers (79) ... Pentagon Triangles (81) ... Racetrack (83) ... Tricube Constructions B (90) ... Leading The Blind (93) ... Reflection (95) ... Pyramid Puzzle (101) ... Four Cube Houses (103) ... Building Views (104) ... Soma Cube 1 (105) ... McMahon's Triangles 2 (107) ... Dividing Shapes (115) ... Human Moves Monster (124) ... Planets (126) ... Eight Queens (134) ... Rectangle Of Squares (138) ... Hearts & Loops (143) ... A Stacking Problem (149) ... Chess Queens (150) ... Knight Swap (151) ... Knight Protectors (153) ... 64 = 65 (155) ... Photo Angles (156) ... Paving Views (157) ... Brick Walls (158) ... Mirror Patterns 2 (159) ... Soma Cube 2 (161) ... Symmetric Tiles (164) ... Sphinx (166) ... Mirror Patterns 3 (168) ... Wallpaper Patterns (169) ... Equilateral Triangles (170) ... Pythagoras 1 (175) ... Making Fractions 2 (177) ... Coloured Cubes (185) ... Tetrahedron Triangles (186) ... Area of a Triangle (187) ... Keith's Kubes (192) ... Surface Area with Tricubes (193) ... Cross & Square (196) ... Making Fractions 3 (199) ... Triangle Perimeters (207) ... Cube Numbers (208) ... Pattern Cube (209) ... Soft Drink Crates (211) ... Kids On Grids (217) ... Making Fractions 1 (222) ... Playing With Objects (226) ... Volume Line Up (227) ... Growing Tricubes (234) ... Trisquares (237) ... Growing Trisquares (238) ...

Statistics, analysing data The Frog Pond (13) ... Dice Differences (34) ... Red & Black Card Game (47) ... Have A Hexagon (53) ... Time Swing (85) ... Crazy Animals (102) ... Twelve Counters (117) ... Highest Number 1 (127) ... Highest Number 2 (128) ... Walk The Plank (131) ... Win At The Fair (133) ... Famous Mathematicians (135) ... Game Show (162) ... Choosing Beads (191) ... Chocolate Chip Cookies (197) ... What's In The Bag? (198) ... Greedy Pig (200) ... Guessing Colours Game (218) ... Cat & Mouse (223) ... Matching Faces (224) ... Dice Footy (232) ... Sicherman Dice (241) ...

Statistics, collecting & organising data Final Eight (1) ... The Frog Pond (13) ... Dice Differences (34) ... Duelling Dice (46) ... Red & Black Card Game (47) ... Take A Chance (49) ... Have A Hexagon (53) ... Time Swing (85) ... Crazy Animals (102) ... Twelve Counters (117) ... Highest Number 1 (127) ... Highest Number 2 (128) ... Walk The Plank (131) ... Win At The Fair (133) ... Famous Mathematicians (135) ... Game Show (162) ... Choosing Beads (191) ... Chocolate Chip Cookies (197) ... What's In The Bag? (198) ... Greedy Pig (200) ... Guessing Colours Game (218) ... Cat & Mouse (223) ... Matching Faces (224) ... Dice Footy (232) ... Sicherman Dice (241) ...

Statistics, confidence levels Same or Different (18) ... Dice Differences (34) ... Red & Black Card Game (47) ... Walk The Plank (131) ... Win At The Fair (133) ... Chocolate Chip Cookies (197) ... What's In The Bag? (198) ... Cat & Mouse (223) ...

Statistics, frequency Same or Different (18) ... Dice Differences (34) ... Duelling Dice (46) ... Red & Black Card Game (47) ... Have A Hexagon (53) ... First Down The Mountain (87) ... Crazy Animals (102) ... Highest Number 1 (127) ... Highest Number 2 (128) ... Walk The Plank (131) ... Win At The Fair (133) ... Game Show (162) ... Choosing Beads (191) ... Chocolate Chip Cookies (197) ... Greedy Pig (200) ... Cat & Mouse (223) ... Sicherman Dice (241) ...

Statistics, inference Counter Escape (6) ... Same or Different (18) ... Duelling Dice (46) ... First Down The Mountain (87) ... Walk The Plank (131) ... Win At The Fair (133) ... Game Show (162) ... Chocolate Chip Cookies (197) ... What's In The Bag? (198) ... Greedy Pig (200) ...

Statistics, mode / median / mean Dice Differences (34) ... Red & Black Card Game (47) ... Crazy Animals (102) ... Highest Number 1 (127) ... Highest Number 2 (128) ... Walk The Plank (131) ... Win At The Fair (133) ... Chocolate Chip Cookies (197) ... Greedy Pig (200) ...

Subitising The Frog Pond (13) ... Domino Trails (15) ... Pack Up Your Bears (230) ...

Symmetry, line Tetrahedron Nets (32) ... Symmetric Shapes (70) ... What's It Worth? (75) ... Racetrack (83) ... Reflection (95) ... Mirror Patterns 1 (100) ... Eight Queens (134) ... Mirror Patterns 2 (159) ... Symmetric Tiles (164) ... Mirror Patterns 3 (168) ... Wallpaper Patterns (169) ...

Symmetry, rotational Reflection (95) ... Knight Protectors (153) ... Paving Views (157) ... Wallpaper Patterns (169) ...

Tessellation Networks (96) ... Symmetric Tiles (164) ... Wallpaper Patterns (169) ...

Transformation experiences Tangram Teasers (79) ... Leading The Blind (93) ... Networks (96) ... Mirror Patterns 1 (100) ... Land of ET (145) ... Haberdasher's Problem (146) ... McMahon's Triangles 1 (148) ... Soma Cube 2 (161) ... Photo Angles (156) ... Paving Views (157) ... Mirror Patterns 2 (159) ... Symmetric Tiles (164) ... Mirror Patterns 3 (168) ... Wallpaper Patterns (169) ... Area of a Triangle (187) ... Triangle Perimeters (207) ...

Transformations, enlargement / dilation Matching Cards (12) ... Scale Drawing (41) ... Planets (126) ... Photo Angles (156) ... Sphinx (166) ...

Transformations, reflection Tetrahedron Nets (32) ... Back To Back Building (60) ... Symmetric Shapes (70) ... Reflection (95) ... Networks (96) ... Mirror Patterns 1 (100) ... McMahon's Triangles 2 (107) ... Eight Queens (134) ... Paving Views (157) ... Mirror Patterns 2 (159) ... Symmetric Tiles (164) ... Mirror Patterns 3 (168) ... Wallpaper Patterns (169) ...

Transformations, rotation Back To Back Building (60) ... Networks (96) ... McMahon's Triangles 2 (107) ... Dividing Shapes (115) ... Eight Queens (134) ... Haberdasher's Problem (146) ... Knight Swap (151) ... Knight Protectors (153) ... Paving Views (157) ... Symmetric Tiles (164) ... Wallpaper Patterns (169) ... Area of a Triangle (187) ...

Transformations, translation Back To Back Building (60) ... Paving Views (157) ... Symmetric Tiles (164) ... Wallpaper Patterns (169) ... Pythagoras 1 (175) ... Area of a Triangle (187) ... Pythagoras 2 (189) ...

Tree diagrams Doctor Dart (89) ... Crazy Animals (102) ... Red To Blue (132) ... Eureka (163) ... Choosing Beads (191) ... Division Boxes (210) ... Chains (213) ...

Trigonometry 64 = 64 (155) ... Photo Angles (156) ...

Venn diagrams Making Triangles (36) ... Crazy Animals (102) ... Squound (139) ...

 

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