# Subtract Positive and Negative Numbers (1)

In this worksheet, students subtract positive and negative numbers.

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Mixed Problems

Difficulty level:

### QUESTION 1 of 10

Subtracting a negative number is the same as adding the positive.

The answer may be positive or negative depending on the size of the numbers.

Examples

5 - -11 = 5 + 11 = 16

-11 - -3 = -11 + 3 = -8

Remember

-11 + 3

is the same as

3 + -11

which is the same as

3 - 11

which is -8

Work out:

5 - -4

1

-1

9

-9

Work out:

-5 - -4

9

-1

1

-9

Work out:

-5 - 4

9

-1

1

-9

Work out:

5 - 4

9

-1

1

-9

Work out:

-15 - 4

19

-11

11

-19

Work out:

-15 - -4

-19

19

-11

11

Work out:

-15 - -14

-29

29

-1

1

Work out:

15 - -14

-29

29

-1

1

Work out:

-8 - -10

-18

18

-2

2

Work out:

18 - -10

-28

28

8

-8

• Question 1

Work out:

5 - -4

9
EDDIE SAYS
Two negatives make a positive 5 - - 4 = 5 + 4
• Question 2

Work out:

-5 - -4

-1
EDDIE SAYS
Two negatives make a positive -5 - - 4 = - 5 + 4
• Question 3

Work out:

-5 - 4

-9
EDDIE SAYS
These two negatives do not affect each other as they are not next to each other Start at -5 and then subtract 4
• Question 4

Work out:

5 - 4

1
EDDIE SAYS
This can just be done as a normal sum as there is only one sign
• Question 5

Work out:

-15 - 4

-19
EDDIE SAYS
These two negatives do not affect each other as they are not together. Start at -15 and subtract 4
• Question 6

Work out:

-15 - -4

-11
EDDIE SAYS
Two negatives make a positive - 15 - - 4 = - 15 + 4
• Question 7

Work out:

-15 - -14

-1
EDDIE SAYS
Two negatives make a positive -15 - - 14 = - 15 + 14
• Question 8

Work out:

15 - -14

29
EDDIE SAYS
Two negatives make a positive 15 - - 14 = 15 + 14
• Question 9

Work out:

-8 - -10

2
EDDIE SAYS
Two negatives make a positive - 8 - - 10 = - 8 + 10
• Question 10

Work out:

18 - -10

28
EDDIE SAYS
Two negatives make a positive 18 - - 10 = 18 + 10
---- OR ----

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