Conjecturing and generalising

Place the numbers from 1 to 9 in the squares so that the difference between joined squares is odd.

How will you complete these interactive Venn diagrams?

This game involves addition and subtraction skills combined with some strategic thinking.

"Ip dip sky blue! Who's 'it'? It's you!" Where would you position yourself to be chosen?

This activity focuses on similarities and differences between shapes.

How would you create the largest possible two-digit even number using the digit you're given?

In these addition games, you'll need to think strategically to get closest to the target.

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.

Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?