Mindrailo
England · Year 4 · Ages 8–9 · Maths

Formal Addition and Subtraction

Add and subtract numbers with up to four digits using formal written methods and estimate answers.

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What to learn

Learning goal

I can use column methods and check whether my answer is sensible.

Key words

columnexchangeestimateinversedifference
Quick practice

Try these first

  1. Add: 3,468 + 2,759 = __.
  2. Subtract: 7,003 - 2,867 = __.
  3. Estimate: Estimate 4,892 + 2,133 to nearest 1,000.
Checked practice

Try it, then check your answer

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Add

3,468 + 2,759 = __.

Subtract

7,003 - 2,867 = __.

Estimate

Estimate 4,892 + 2,133 to nearest 1,000.

Parent / teacher check

What a secure answer looks like

  • 1. 6,227
  • 2. 4,136
  • 3. 7,000
Continue learning
Worked examplesSee the strategy before independent practiceCommon mistakesSpot misconceptions and fix themParent guideA short practice routine for homeAddition & Subtraction hubConnected lessons across Years 1–6Tic-Tac-ToePlay against the computer or share the same device with another player.Printable practice packAuthored questions, parent notes and answer guidance
Continue with:Year 4 Place Value to 10,000Year 4 Times Tables to 12 × 12Year 4 Fractions and Decimals
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