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  1. Maths
  2. Year 4
  3. Mental Maths
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Find the Number: Use the inverse operation(3)

In this worksheet, students must find the missing number in a sum by using addition and subtraction.

'Find the Number: Use the inverse operation(3)' worksheet

Key stage:  KS 2

Year:  Year 4 Maths worksheets

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Use Correct Methods to Problem Solve

Difficulty level:  

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Worksheet Overview

In this worksheet you must find the missing number in a sum.

 

Example

Find the number that makes the sum correct.

4740 + __ = 6000

Answer

The opposite (inverse) of adding is subtracting.

So we work out 6000 - 4740 = 1260

Here is another example

2365 + ___ = 4000

Use the inverse operation to solve.

4000 - 2365 = 1635

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