Finding sets

This activity can be done at different levels according to ability.

The numbers can be put on the board and given to a whole class or group or they can be printed out for individuals or pairs.

2 3 8 13 17 27 36 39 49 51 56 64 91 119 121 125 136 143


How many different sets of numbers with at least 4 members can you find in the numbers in this box?

For example, one set could be multiples of 4 {8, 36 . . . .} another odd numbers {3, 13 . . . .}.




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