Success TutoringWorksheets

Year 9 Integers (Directed Numbers) Worksheet — Level 1 — Practice Set 4 — Answers

Answer sheet with worked solutions for the Year 9 integers worksheet.

Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · Integers

Year 9 Integers (Directed Numbers) Worksheet — Level 1 — Practice Set 4 — Answers

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

1.(−6) − (−1) = (answer space)

Answer: −5

Subtracting a negative is the same as adding: -6 + 1 = -5

2.(−7) − (−3) = (answer space)

Answer: −4

Subtracting a negative is the same as adding: -7 + 3 = -4

3.(−1) + 9 = (answer space)

Answer: 8

Move 9 to the right on the number line.

4.10 + 2 = (answer space)

Answer: 12

Move 2 to the right on the number line.

5.7 + (−4) = (answer space)

Answer: 3

Adding a negative is the same as subtracting: 7 − 4 = 3

6.8 + 3 = (answer space)

Answer: 11

Move 3 to the right on the number line.

7.7 + (−2) = (answer space)

Answer: 5

Adding a negative is the same as subtracting: 7 − 2 = 5

8.1 − 10 = (answer space)

Answer: −9

Move 10 to the left on the number line.

9.(−3) + 3 = (answer space)

Answer: 0

Move 3 to the right on the number line.

10.6 + 6 = (answer space)

Answer: 12

Move 6 to the right on the number line.

11.(−3) − (−4) = (answer space)

Answer: 1

Subtracting a negative is the same as adding: -3 + 4 = 1

12.(−8) + 5 = (answer space)

Answer: −3

Move 5 to the right on the number line.

13.0 − (−9) = (answer space)

Answer: 9

Subtracting a negative is the same as adding: 0 + 9 = 9

14.(−1) − (−3) = (answer space)

Answer: 2

Subtracting a negative is the same as adding: -1 + 3 = 2

15.(−2) − 2 = (answer space)

Answer: −4

Move 2 to the left on the number line.

16.(−8) − (−9) = (answer space)

Answer: 1

Subtracting a negative is the same as adding: -8 + 9 = 1

17.(−2) + 1 = (answer space)

Answer: −1

Move 1 to the right on the number line.

18.7 + (−9) = (answer space)

Answer: −2

Adding a negative is the same as subtracting: 7 − 9 = -2

19.(−4) − (−6) = (answer space)

Answer: 2

Subtracting a negative is the same as adding: -4 + 6 = 2

20.1 + (−1) = (answer space)

Answer: 0

Adding a negative is the same as subtracting: 1 − 1 = 0

Free worksheets at worksheets.successtutoring.com · © Success Tutoring · Free for personal and classroom use

Marking tips

  • Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
  • For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
  • Celebrate what went well first, then pick one thing to work on next.