MathsYears 4–5Multiplication & Division
Factor pairs
Recognise and use factor pairs and commutativity in mental calculations
What you'll learn
- 1
Imagine 12 biscuits on a plate. You want to share them into equal rows. How many ways can you arrange them? 🍪
- 2
If you put 12 biscuits into rows of 2, how many biscuits are in each row? 🍪
- 3
Arrange 12 biscuits into equal rows. Try rows of 3 — how many rows do you get? 🍪
- 4
Let's find all the factor pairs of 12 together. 🔍
- 5
Which number pairs with 4 to make 12? 🧩
- 6
Now find the factor pairs of 20. Arrange 20 biscuits into equal rows to help you. 🍪
- 7
Which is a factor pair of 20? ✅
Practise Factor pairs with Whizlo
Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 8–10. Aligned to the UK National Curriculum.