Being curious

If there are 3 squares in the ring, can you place three different numbers in them so that their differences are odd? Try with different numbers of squares around the ring. What do you notice?

Follow the clues to find the mystery number.

Investigate what happens when you add house numbers along a street in different ways.

In this problem, we're investigating the number of steps we would climb up or down to get out of or into the swimming pool. How could you number the steps below the water?

How will you complete these interactive Venn diagrams?

I've made some cubes and some cubes with holes in. This challenge invites you to explore the difference in the number of small cubes I've used. Can you see any patterns?

Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

This activity focuses on similarities and differences between shapes.

Sweets are given out to party-goers in a particular way. Investigate the total number of sweets received by people sitting in different positions.