You may also like

Biscuit Decorations

Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?

Constant Counting

You can make a calculator count for you by any number you choose. You can count by ones to reach 24. You can count by twos to reach 24. What else can you count by to reach 24?

Number Detective

Follow the clues to find the mystery number.

Mrs Trimmer's String

Age 5 to 7
Challenge Level

How many children are needed for one triangle? How many children would be needed to make two triangles then?
So if there are twenty-four children, how many triangles can they make at the same time?
You could try drawing the triangles and numbering the corners to show the children.