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Adding with the Abacus

Nowadays the calculator is very familiar to many of us. What did people do to save time working out more difficult problems before the calculator existed?

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Count the Digits

In this investigation we are going to count the number of 1s, 2s, 3s etc in numbers. Can you predict what will happen?

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All Change

There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?

Jumping Squares

Stage: 1 Challenge Level: Challenge Level:2 Challenge Level:2
Where could you land next?
Which move might be better? Why?
Have you thought of jumping backwards?
How are you keeping count of your moves?