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Year 8 Integers (Directed Numbers) Worksheet — Level 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 — Answers

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

1.(−14) × 9 = (answer space)

Answer: −126

Different signs give a negative product.

2.0 − (−18) = (answer space)

Answer: 18

Subtracting a negative is the same as adding: 0 + 18 = 18

3.(−4) × (−20) = (answer space)

Answer: 80

Same signs give a positive product.

4.14 × 14 = (answer space)

Answer: 196

Same signs give a positive product.

5.64 ÷ (−16) = (answer space)

Answer: −4

Different signs give a negative quotient.

6.19 × 11 = (answer space)

Answer: 209

Same signs give a positive product.

7.2 × (−15) = (answer space)

Answer: −30

Different signs give a negative product.

8.44 ÷ (−11) = (answer space)

Answer: −4

Different signs give a negative quotient.

9.(−12) ÷ 3 = (answer space)

Answer: −4

Different signs give a negative quotient.

10.7 × 18 = (answer space)

Answer: 126

Same signs give a positive product.

11.(−15) + (−7) = (answer space)

Answer: −22

Adding a negative is the same as subtracting: -15 − 7 = -22

12.(−4) ÷ 4 = (answer space)

Answer: −1

Different signs give a negative quotient.

13.13 × (−13) = (answer space)

Answer: −169

Different signs give a negative product.

14.20 + (−16) = (answer space)

Answer: 4

Adding a negative is the same as subtracting: 20 − 16 = 4

15.17 − (−1) = (answer space)

Answer: 18

Subtracting a negative is the same as adding: 17 + 1 = 18

16.(−12) × (−14) = (answer space)

Answer: 168

Same signs give a positive product.

17.78 ÷ (−13) = (answer space)

Answer: −6

Different signs give a negative quotient.

18.14 + 20 = (answer space)

Answer: 34

Move 20 to the right on the number line.

19.9 + (−20) = (answer space)

Answer: −11

Adding a negative is the same as subtracting: 9 − 20 = -11

20.(−2) − 13 = (answer space)

Answer: −15

Move 13 to the left on the number line.

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