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Year 7 Integers (Directed Numbers) Worksheet — Level 1 — Answers

Answer sheet with worked solutions for the Year 7 integers worksheet.

Year 7 · Mathematics · Integers

Year 7 Integers (Directed Numbers) Worksheet — Level 1 — Answers

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Remember the sign rules. Use a number line if it helps.

1.10 − (−5) =

Answer: 15

Subtracting a negative is the same as adding: 10 + 5 = 15

2.(−2) − (−4) =

Answer: 2

Subtracting a negative is the same as adding: -2 + 4 = 2

3.(−8) − (−7) =

Answer: −1

Subtracting a negative is the same as adding: -8 + 7 = -1

4.(−4) − (−10) =

Answer: 6

Subtracting a negative is the same as adding: -4 + 10 = 6

5.5 − 8 =

Answer: −3

Move 8 to the left on the number line.

6.1 − 8 =

Answer: −7

Move 8 to the left on the number line.

7.9 + 6 =

Answer: 15

Move 6 to the right on the number line.

8.0 + (−2) =

Answer: −2

Adding a negative is the same as subtracting: 0 − 2 = -2

9.(−2) + 4 =

Answer: 2

Move 4 to the right on the number line.

10.(−10) + 1 =

Answer: −9

Move 1 to the right on the number line.

11.8 − (−7) =

Answer: 15

Subtracting a negative is the same as adding: 8 + 7 = 15

12.(−3) − 7 =

Answer: −10

Move 7 to the left on the number line.

13.1 − (−6) =

Answer: 7

Subtracting a negative is the same as adding: 1 + 6 = 7

14.(−4) − (−4) =

Answer: 0

Subtracting a negative is the same as adding: -4 + 4 = 0

15.(−10) + 3 =

Answer: −7

Move 3 to the right on the number line.

16.10 + 10 =

Answer: 20

Move 10 to the right on the number line.

17.(−2) + 8 =

Answer: 6

Move 8 to the right on the number line.

18.4 − 7 =

Answer: −3

Move 7 to the left on the number line.

19.0 + 8 =

Answer: 8

Move 8 to the right on the number line.

20.4 − 8 =

Answer: −4

Move 8 to the left on the number line.

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