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Year 7 Integers (Directed Numbers) Worksheet — Level 3 — Answers

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

Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Integers

Year 7 Integers (Directed Numbers) Worksheet — Level 3 — Answers

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

1.(−10) + 3 = (answer space)

Answer: −7

Move 3 to the right on the number line.

2.(−14) + 1 = (answer space)

Answer: −13

Move 1 to the right on the number line.

3.18 × 11 = (answer space)

Answer: 198

Same signs give a positive product.

4.(−17) − 2 = (answer space)

Answer: −19

Move 2 to the left on the number line.

5.(−5) × 1 = (answer space)

Answer: −5

Different signs give a negative product.

6.(−5) + (−19) = (answer space)

Answer: −24

Adding a negative is the same as subtracting: -5 − 19 = -24

7.(−13) − (−3) = (answer space)

Answer: −10

Subtracting a negative is the same as adding: -13 + 3 = -10

8.45 ÷ 15 = (answer space)

Answer: 3

Same signs give a positive quotient.

9.7 − (−9) = (answer space)

Answer: 16

Subtracting a negative is the same as adding: 7 + 9 = 16

10.0 + (−15) = (answer space)

Answer: −15

Adding a negative is the same as subtracting: 0 − 15 = -15

11.5 + 15 = (answer space)

Answer: 20

Move 15 to the right on the number line.

12.(−12) + 18 = (answer space)

Answer: 6

Move 18 to the right on the number line.

13.15 − 6 = (answer space)

Answer: 9

Move 6 to the left on the number line.

14.8 ÷ 4 = (answer space)

Answer: 2

Same signs give a positive quotient.

15.11 + (−1) = (answer space)

Answer: 10

Adding a negative is the same as subtracting: 11 − 1 = 10

16.5 − (−20) = (answer space)

Answer: 25

Subtracting a negative is the same as adding: 5 + 20 = 25

17.(−16) + 1 = (answer space)

Answer: −15

Move 1 to the right on the number line.

18.13 × (−7) = (answer space)

Answer: −91

Different signs give a negative product.

19.(−42) ÷ 14 = (answer space)

Answer: −3

Different signs give a negative quotient.

20.4 − 17 = (answer space)

Answer: −13

Move 17 to the left on the number line.

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