MathsYears 3–4Addition & Subtraction

Add and subtract 3-digit numbers

Learn Add and subtract 3-digit numbers for Years 3–4 pupils (ages 7–9). Free practice questions, lessons and worked examples — aligned to the UK National Curriculum.

What you'll learn

  1. 1

    Imagine you have 326 toy cars. You get 142 more. Let's add them together!

  2. 2

    Build 326 using hundreds, tens and ones blocks.

  3. 3

    Let's add 326 + 142 together.

  4. 4

    Now try 247 + 132. Build it with blocks first, then add.

  5. 5

    What is 247 + 132?

  6. 6

    Now let's subtract! Imagine you have 468 toy cars and you give away 132.

  7. 7

    What is 468 - 132?

Practise Add and subtract 3-digit numbers with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 7–9. Aligned to the UK National Curriculum.

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