MathsYears 7–8Number

Factors, multiples and primes

Identify factors, multiples and prime numbers; use factor trees

What you'll learn

  1. 1

    Imagine you have 12 biscuits 🍪 and you want to share them equally with your friends — no leftovers!

  2. 2

    Can you split 12 biscuits equally into groups of 5?

  3. 3

    Drag the biscuits into equal groups to find all the factors of 12.

  4. 4

    Let's find all the factors of 12 together!

  5. 5

    Which of these is NOT a factor of 12?

  6. 6

    Now let's look at multiples. A multiple is what you get when you count in steps of a number — like counting in 3s: 3, 6, 9, 12…

  7. 7

    What is the next multiple of 3 after 12?

Practise Factors, multiples and primes with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 11–13. Aligned to the UK National Curriculum.