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

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

1.7 × 13 = (answer space)

Answer: 91

Same signs give a positive product.

2.(−11) + 1 = (answer space)

Answer: −10

Move 1 to the right on the number line.

3.(−12) + 15 = (answer space)

Answer: 3

Move 15 to the right on the number line.

4.16 ÷ (−4) = (answer space)

Answer: −4

Different signs give a negative quotient.

5.2 × 12 = (answer space)

Answer: 24

Same signs give a positive product.

6.(−13) − (−9) = (answer space)

Answer: −4

Subtracting a negative is the same as adding: -13 + 9 = -4

7.(−20) × (−2) = (answer space)

Answer: 40

Same signs give a positive product.

8.(−4) × (−12) = (answer space)

Answer: 48

Same signs give a positive product.

9.11 − (−5) = (answer space)

Answer: 16

Subtracting a negative is the same as adding: 11 + 5 = 16

10.1 − 5 = (answer space)

Answer: −4

Move 5 to the left on the number line.

11.24 ÷ 4 = (answer space)

Answer: 6

Same signs give a positive quotient.

12.14 − 3 = (answer space)

Answer: 11

Move 3 to the left on the number line.

13.(−5) + 14 = (answer space)

Answer: 9

Move 14 to the right on the number line.

14.8 × (−10) = (answer space)

Answer: −80

Different signs give a negative product.

15.15 × (−5) = (answer space)

Answer: −75

Different signs give a negative product.

16.(−2) − (−12) = (answer space)

Answer: 10

Subtracting a negative is the same as adding: -2 + 12 = 10

17.10 − 16 = (answer space)

Answer: −6

Move 16 to the left on the number line.

18.17 + 20 = (answer space)

Answer: 37

Move 20 to the right on the number line.

19.68 ÷ (−17) = (answer space)

Answer: −4

Different signs give a negative quotient.

20.15 × (−10) = (answer space)

Answer: −150

Different signs give a negative product.

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