Exploring and noticing

In this challenge, you will work in a group to investigate circular fences enclosing trees that are planted in square or triangular arrangements.

Can you each work out the number on your card? What do you notice? How could you sort the cards?

Here is your chance to investigate the number 28 using shapes, cubes ... in fact anything at all.

Choose a symbol to put into the number sentence.

Can you find a way to identify times tables after they have been shifted up or down?

Mathematicians are always looking for efficient methods for solving problems. How efficient can you be?

A country has decided to have just two different coins, 3z and 5z coins. Which totals can be made? Is there a largest total that cannot be made? How do you know?

Draw some quadrilaterals on a 9-point circle and work out the angles. Is there a theorem?

There are nasty versions of this dice game but we'll start with the nice ones...

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