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Learners who need more of a challenge could try Quadrilaterals.
Suggest trying this simpler version of the problem.
Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?
An activity making various patterns with 2 x 1 rectangular tiles.
The image in this problem is part of a piece of equipment found in the playground of a school. How would you describe it to someone over the phone?