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Grouping Goodies

Pat counts her sweets in different groups and both times she has some left over. How many sweets could she have had?

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What Number?

I am less than 25. My ones digit is twice my tens digit. My digits add up to an even number.

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Odd Tic Tac

An odd version of tic tac toe

Even and Odd

Stage: 1 Challenge Level: Challenge Level:1

If you don't have any interlocking cubes, you could shade squares on squared paper in the same way as the pictures of coloured squares. You could then cut out your 'blocks' of squares and choose two to fit together.