The coloured shapes stand for eleven of the numbers from $0$ to $12$. Each shape is a different number.
Can you work out what they are from the multiplications below?
If you need some more clues, click below to reveal four more multiplications:
Once you have worked out the value of each shape above, take a look at the two multiplications below:
Can you work out the value of the shapes in each product?
This activity originally featured in the hands-on Brain Buster Maths Boxes, developed by members of the NRICH Team and produced by BEAM. These resources are out of print but can still be found on Amazon.