Comparing and Classifying

Sara and Will were sorting some pictures of shapes on cards. "I'll collect the circles," said Sara. "I'll take the red ones," answered Will. Can you see any cards they would both want?

This activity focuses on similarities and differences between shapes.

Ayah conjectures that the diagonals of a square meet at right angles. Do you agree? How could you find out?

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?

A task which depends on members of the group noticing the needs of others and responding.

Can you find all the different triangles on these peg boards, and find their angles?

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.