MathsYears 2–3Addition & Subtraction

Add and subtract 2-digit numbers

Add and subtract numbers using concrete objects, pictorial representations, and mentally, including a 2-digit number and ones, a 2-digit number and tens, two 2-digit numbers

What you'll learn

  1. 1

    Imagine you have 34 toy cars and your friend gives you 15 more. You want to know how many you have altogether!

  2. 2

    When you ADD numbers, do you get more or less?

  3. 3

    Build 34 by dragging tens and ones. Then add 15 more.

  4. 4

    Let's add 34 + 15 together.

  5. 5

    Now try 27 + 12. Build it with tens and ones.

  6. 6

    What is 34 + 15?

  7. 7

    What is 27 + 12?

Practise Add and subtract 2-digit numbers with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 6–8. Aligned to the UK National Curriculum.

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