Going On and On

Can you help Cuthbert to work out what comes next?

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Switching Around

Can you help Cuthbert and Betty to work out the answer? Don’t forget that you can always switch the numbers around to help you work out the answer.

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Seeing Double

Can you help Cuthbert and his brother Claude to double this number?

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Easy

This activity involves working out which number comes next. The number will be between 1-99 inclusive.

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Medium

This activity involves working out which number comes next. The number will be between 100-999 inclusive.

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Hard

This activity involves working out which number comes next. The number will be between 1000-999,999 inclusive.

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What number comes after ?

Answer:

Easy

This activity involves adding two numbers each between 1-10 inclusive.

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Medium

This activity involves adding two numbers. One number will be between 1-10 inclusive and the other will be between 11-20 inclusive.

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Hard

This activity involves adding two numbers. One number will be between 1-20 inclusive and the other will be between 30-100 inclusive.

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What is the answer to +?

Answer:

Easy

This activity involves doubling the given number. The number will be between 1-20 inclusive.

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Medium

This activity involves adding two numbers. The number will be between 11-100 inclusive.

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Hard

This activity involves adding two numbers. The number will be between 100-600 inclusive.

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If you double the number , what is the answer?

Answer: