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Maths lesson · Addition and subtraction

How to add small numbers by counting on

Start at the first number and count on, one jump at a time.

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Step 7 of 75 jumps on from 14 land on 19, so 14 + 5 = 19. 5 jumps from 14, landing on 19.01234567891011121314151617181920
5 jumps on from 14 land on 19, so 14 + 5 = 19.

Practise on paper. This week’s adding small numbers sheet: 12 questions with a worked example, new every Monday.

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How to work it out

14 + 5

7 steps

  1. Step 114 + 5: start at 14 on the number line, and count on 5.
  2. Step 21 jump: 15.
  3. Step 32 jumps: 16.
  4. Step 43 jumps: 17.
  5. Step 54 jumps: 18.
  6. Step 65 jumps: 19.
  7. Step 75 jumps on from 14 land on 19, so 14 + 5 = 19.

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About this lesson

Counting on is the step after counting everything from one. Your child starts at the first number on a number line and makes one jump for each one added, counting the jumps as they go. Where the last jump lands is the answer. Starting from the bigger number means fewer jumps.

What your child learns

  • Add facts within 20 quickly, on the way to knowing them by heart.

Australia · Year 2: Australian Curriculum v9 · AC9M2A02

Practise adding small numbers

This week’s practice sheet is ready to print, with a worked example at the top.

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