 # Find the Number: What Makes the Sum Correct? (3)

In this worksheet, students must find the missing number in a sum by using addition and subtraction. Key stage:  KS 2

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Use Correct Methods to Problem Solve

Difficulty level:   ### QUESTION 1 of 10

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

Example

Find the number that makes the sum correct.

4740 + __ = 6000

The opposite (inverse) of adding is subtracting.

So we work out 6000 - 4740 = 1260

Find the number that makes the sum correct.

4261 + __ = 7000

Find the number that makes the sum correct.

7631 + __ = 9000

Find the number that makes the sum correct.

586 + __ = 9000

Find the number that makes the sum correct.

3636 + __ = 7000

Find the number that makes the sum correct.

7231 + __ = 9000

Find the number that makes the sum correct.

2300 + __ = 4000

Find the number that makes the sum correct.

5948 + __ = 7000

Find the number that makes the sum correct.

571 + __ = 9000

Find the number that makes the sum correct.

363 + __ = 4000

Find the number that makes the sum correct.

1643 + __ = 9000

• Question 1

Find the number that makes the sum correct.

4261 + __ = 7000

2739
• Question 2

Find the number that makes the sum correct.

7631 + __ = 9000

1369
• Question 3

Find the number that makes the sum correct.

586 + __ = 9000

8414
• Question 4

Find the number that makes the sum correct.

3636 + __ = 7000

3364
• Question 5

Find the number that makes the sum correct.

7231 + __ = 9000

1769
• Question 6

Find the number that makes the sum correct.

2300 + __ = 4000

1700
• Question 7

Find the number that makes the sum correct.

5948 + __ = 7000

1052
• Question 8

Find the number that makes the sum correct.

571 + __ = 9000

8429
• Question 9

Find the number that makes the sum correct.

363 + __ = 4000

3637
• Question 10

Find the number that makes the sum correct.

1643 + __ = 9000

7357
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