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Year 8 Integers (Directed Numbers) Worksheet — Level 2 — Practice Set 4 — Answers

Answer sheet with worked solutions for the Year 8 integers worksheet.

Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · Integers

Year 8 Integers (Directed Numbers) Worksheet — Level 2 — Practice Set 4 — Answers

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

1.9 + 12 = (answer space)

Answer: 21

Move 12 to the right on the number line.

2.13 + (−10) = (answer space)

Answer: 3

Adding a negative is the same as subtracting: 13 − 10 = 3

3.(−10) × 3 = (answer space)

Answer: −30

Different signs give a negative product.

4.20 − (−14) = (answer space)

Answer: 34

Subtracting a negative is the same as adding: 20 + 14 = 34

5.(−16) − 3 = (answer space)

Answer: −19

Move 3 to the left on the number line.

6.1 + (−5) = (answer space)

Answer: −4

Adding a negative is the same as subtracting: 1 − 5 = -4

7.13 × (−16) = (answer space)

Answer: −208

Different signs give a negative product.

8.16 − 7 = (answer space)

Answer: 9

Move 7 to the left on the number line.

9.(−11) − 14 = (answer space)

Answer: −25

Move 14 to the left on the number line.

10.(−17) + 8 = (answer space)

Answer: −9

Move 8 to the right on the number line.

11.(−12) ÷ 4 = (answer space)

Answer: −3

Different signs give a negative quotient.

12.(−18) ÷ 9 = (answer space)

Answer: −2

Different signs give a negative quotient.

13.64 ÷ (−16) = (answer space)

Answer: −4

Different signs give a negative quotient.

14.16 − 1 = (answer space)

Answer: 15

Move 1 to the left on the number line.

15.(−1) × (−11) = (answer space)

Answer: 11

Same signs give a positive product.

16.12 + 11 = (answer space)

Answer: 23

Move 11 to the right on the number line.

17.(−18) + (−5) = (answer space)

Answer: −23

Adding a negative is the same as subtracting: -18 − 5 = -23

18.(−19) + 8 = (answer space)

Answer: −11

Move 8 to the right on the number line.

19.(−5) ÷ 1 = (answer space)

Answer: −5

Different signs give a negative quotient.

20.18 − 4 = (answer space)

Answer: 14

Move 4 to the left on the number line.

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