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Add and Subtract Positive and Negative Numbers

In this worksheet, students carry out addition and subtraction of positive and negative numbers.

Key stage:  KS 3

Curriculum topic:  Number

Curriculum subtopic:  Use Four Operations for All Numbers

Difficulty level:  

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QUESTION 1 of 10

In this worksheet, we will be adding and subtracting positive and negative numbers

 

Use the number ladder to help you answer the questions.
Remember, for a positive number, move up the ladder.
For a negative number, move down the ladder.
Always begin at 0.

Examples

1) 3 - 5.
    Start at 0, move up 3 spaces then down 5 spaces.
    Answer: -2.
    

2) -4 - 3.
    Start at 0, move down 4 spaces then down 3 spaces.
    Answer: - 7.

 

 

Work out:

1 - 7 + 5 = ________

Work out:

2 - 3 + 4 = ________

Work out:

-7 - 2 = ________

Work out:

4 - 7 + 3 = ________

Work out:

-7 + 4 + 5 = ________

Work out:

-9 + 1 - 2 = ________

Work out:

-9 - 9 = ________

Work out:

7 - 1 - 10 = ________

Work out:

-2 + 8 + 6 - 5 =  ________

Work out:

50 - 50 -50 -50 = ________

  • Question 1

Work out:

1 - 7 + 5 = ________

CORRECT ANSWER
-1
  • Question 2

Work out:

2 - 3 + 4 = ________

CORRECT ANSWER
3
  • Question 3

Work out:

-7 - 2 = ________

CORRECT ANSWER
-9
  • Question 4

Work out:

4 - 7 + 3 = ________

CORRECT ANSWER
0
  • Question 5

Work out:

-7 + 4 + 5 = ________

CORRECT ANSWER
2
  • Question 6

Work out:

-9 + 1 - 2 = ________

CORRECT ANSWER
-10
  • Question 7

Work out:

-9 - 9 = ________

CORRECT ANSWER
-18
  • Question 8

Work out:

7 - 1 - 10 = ________

CORRECT ANSWER
-4
  • Question 9

Work out:

-2 + 8 + 6 - 5 =  ________

CORRECT ANSWER
7
  • Question 10

Work out:

50 - 50 -50 -50 = ________

CORRECT ANSWER
-100
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