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These are the Transum resources related to the statement: "Pupils should be taught to know and use the vocabulary of prime numbers, prime factors and composite (non-prime) numbers".

Here are some specific activities, investigations or visual aids we have picked out. Click anywhere in the grey area to access the resource.

- Dump-A-Dice Race An online board game for two players involving prime and square numbers and making choices.
- Factor Trees Create factor trees to find the prime factors of the given numbers.
- Pick The Primes Pick the prime fruit from the tree as quickly as possible. Practise to improve your personal best time.
- Prime Labyrinth Find the path to the centre of the labyrinth by moving along the prime numbers.
- Prime Pairs Game A game for two players who take turns to select two numbers that add up to a prime number.
- Prime Pips in Pots This is a version of Wari, one of the oldest known games to still be widely played today. It involves small prime numbers.
- Satisfy Place the nine numbers in the table so they obey the row and column headings about the properties of the numbers.
- Scallywags and Scoundrels Arrange the scallywags and scoundrels on the chairs so that the numbers of any two sitting next to each other add up to a prime number.
- Sieve of Eratosthenes A self checking, interactive version of the Sieve of Eratosthenes method of finding prime numbers.
- Three Prime Sum A self-marking challenge to write each of the given numbers as the sum of three prime numbers.
- Venn Diagram Place each of the numbers 1 to 16 on the correct regions on the Venn diagram.
- Watsadoo Rotate the cogs to catch the flying numbers in the correct sections.

Click on a topic below for suggested lesson starters, resources and activities from Transum.

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