Prime and Composite Numbers

1.50 1.00


This resource is aimed at pupils in middle/senior classes or SEN pupils working on number theory – prime and composite numbers.

Cut up the sheets into nineteen separate cards and laminate them individually. Pupils should look at the number on the top of each card, decide whether it is prime or composite and then place a clothes peg on the correct answer on the bottom of the card.

This activity is especially suitable for pupils who may not be able to write answers but know the difference between prime and composite numbers. It is a way for them to demonstrate this knowledge and understanding. It is also good for fine motor skills in the manipulation of the pegs onto the cards.

We frequently gave activities such as this for homework to our SEN pupils. It gave them the sense that they had homework like everyone else and it also allowed the parents to see what Maths topic we were currently working on.

This activity could also be used as an independent work task completed by a pupil in their work station.


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