Being curious

Use the information about Sally and her brother to find out how many children there are in the Brown family.

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.

Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?

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?

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.

These pictures were made by starting with a square, finding the half-way point on each side and joining those points up. You could investigate your own starting shape.