\( \DeclareMathOperator{cosec}{cosec} \)

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

- 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.
- Prime Numbers Video A reminder of what prime numbers and composite numbers are.
- Prime Numbers Jigsaw Interactive jigsaw puzzles of different types of grids containing prime numbers.
- Factor Trees Create factor trees to find the prime factors of the given numbers.
- Prime Labyrinth Find the path to the centre of the labyrinth by moving along the prime numbers.
- Pick The Primes Pick the prime fruit from the tree as quickly as possible. Practise to improve your personal best time.
- Factor Trees Challenge Can you determine the unique digits that will complete these factor trees?
- Venn Diagram Place each of the numbers 1 to 16 on the correct regions on the Venn diagram.
- Dump-A-Dice Race An online board game for two players involving prime and square numbers and making choices.
- Watsadoo Rotate the cogs to catch the flying numbers in the correct sections.
- Prime Pairs Game A game for two players who take turns to select two numbers that add up to a prime number.
- Three Prime Sum A self-marking challenge to write each of the given numbers as the sum of three prime 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.
- Pesto Students classify numbers randomly appearing on the screen by holding up cards
- Satisfy Place the nine numbers in the table so they obey the row and column headings about the properties of the numbers.
- Sieve of Eratosthenes A self checking, interactive version of the Sieve of Eratosthenes method of finding prime numbers.

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

Do you need a reminder about prime and composite numbers? Watch this video:

How do you teach this topic? Do you have any tips or suggestions for other teachers? It is always useful to receive feedback and helps make these free resources even more useful for Maths teachers anywhere in the world. Click here to enter your comments.