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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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Odd Tic Tac

An odd version of tic tac toe

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Break it Up!

In how many different ways can you break up a stick of 7 interlocking cubes? Now try with a stick of 8 cubes and a stick of 6 cubes.

What Number?

Stage: 1 Short Challenge Level: Challenge Level:2 Challenge Level:2

You could look at one piece of information at a time. For example, which numbers are under 25?
Can you now look at another piece of the information and narrow down the options?