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Task 28, Plate Triangles, was a developed on the floor of a classroom at Milikapiti School, Melville Island. Ever since, it has needed significant floor space to investigate, as these teachers discovered in their workshop this week. This was one of several tasks, Picture Puzzles and whole class investigations during the day which were linked by Triangle Numbers. The title of the workshop was Working Like a Mathematician in the Classroom.

Jointly organised by the Association of Independent Schools of WA and the Catholic Education Office the invitation to participate was also issued to government schools. Around 40 secondary teachers indulged themselves mathematically and educationally as the journey, begun on Day 1 in September, continued. For many, one of the richest parts was the time provided for sharing the classroom trials which teachers had been invited to explore between the two days.

Teachers are the best resource in any system. It was fantastic to be involved with such a competent and enthusiastic group and fabulous to be working with systems willing to invest in their teachers. Given their experiences with Triangle Numbers, no doubt many will be very interested in the new cameo below which presents those special numbers in an entirely new context.

See Link List below for Plate Triangles and Picture Puzzles.