List

More Playing with 2D Shape Upper Primary

Cutting Corners
problem

Cutting Corners

Age
7 to 11
Challenge level
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Can you make the most extraordinary, the most amazing, the most unusual patterns/designs from these triangles which are made in a special way?
Egyptian Rope
problem
Favourite

Egyptian Rope

Age
7 to 11
Challenge level
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The ancient Egyptians were said to make right-angled triangles using a rope with twelve equal sections divided by knots. What other triangles could you make if you had a rope like this?

Overlapping Again
problem
Favourite

Overlapping Again

Age
7 to 11
Challenge level
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What shape is the overlap when you slide one of these shapes half way across another? Can you picture it in your head? Use the interactivity to check your visualisation.
Quadrilaterals
problem
Favourite

Quadrilaterals

Age
7 to 11
Challenge level
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How many DIFFERENT quadrilaterals can be made by joining the dots on the 8-point circle?

Triangle Pin-Down
problem

Triangle Pin-Down

Age
7 to 11
Challenge level
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Use the interactivity to investigate what kinds of triangles can be drawn on peg boards with different numbers of pegs.
What shape?
problem
Favourite

What shape?

Age
7 to 14
Challenge level
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This task develops spatial reasoning skills. By framing and asking questions a member of the team has to find out what mathematical object they have chosen.
Shaping Up with Tessellations
article

Shaping Up with Tessellations

This article describes the scope for practical exploration of tessellations both in and out of the classroom. It seems a golden opportunity to link art with maths, allowing the creative side of your children to take over.