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Domino Square

Use the 'double-3 down' dominoes to make a square so that each side has eight dots.

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The Puzzling Sweet Shop

There were chews for 2p, mini eggs for 3p, Chocko bars for 5p and lollypops for 7p in the sweet shop. What could each of the children buy with their money?

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Sandwiches

Arrange the digits 1, 1, 2, 2, 3 and 3 so that between the two 1's there is one digit, between the two 2's there are two digits, and between the two 3's there are three digits.

Clever Santa

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

Why do this problem?

This problem gives children a chance to apply knowledge of number operations and gain confidence in using a trial and improvement approach.

Key questions

What could you try first?
How will you record what you do?
Does that fit all the information?

Possible extension

Children could make up their own version of this problem for a friend to solve.

Possible support

Using differently coloured counters to represent boys and girls might help some children access this problem - it will allow them to refine their answer try without being afraid of writing down something that turns out to be wrong.