Success TutoringWorksheets

Year 8 Integers (Directed Numbers) Worksheet — Level 1 — Answers

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

Download answers PDFPrint answersBack to worksheet
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · Integers

Year 8 Integers (Directed Numbers) Worksheet — Level 1 — Answers

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

1.(−2) + 10 = (answer space)

Answer: 8

Move 10 to the right on the number line.

2.(−9) + (−10) = (answer space)

Answer: −19

Adding a negative is the same as subtracting: -9 − 10 = -19

3.(−10) + (−5) = (answer space)

Answer: −15

Adding a negative is the same as subtracting: -10 − 5 = -15

4.8 − (−8) = (answer space)

Answer: 16

Subtracting a negative is the same as adding: 8 + 8 = 16

5.1 − 4 = (answer space)

Answer: −3

Move 4 to the left on the number line.

6.6 + (−10) = (answer space)

Answer: −4

Adding a negative is the same as subtracting: 6 − 10 = -4

7.1 + (−3) = (answer space)

Answer: −2

Adding a negative is the same as subtracting: 1 − 3 = -2

8.(−9) + 10 = (answer space)

Answer: 1

Move 10 to the right on the number line.

9.(−4) + (−9) = (answer space)

Answer: −13

Adding a negative is the same as subtracting: -4 − 9 = -13

10.(−6) − 9 = (answer space)

Answer: −15

Move 9 to the left on the number line.

11.0 + (−6) = (answer space)

Answer: −6

Adding a negative is the same as subtracting: 0 − 6 = -6

12.(−9) + (−4) = (answer space)

Answer: −13

Adding a negative is the same as subtracting: -9 − 4 = -13

13.10 − (−6) = (answer space)

Answer: 16

Subtracting a negative is the same as adding: 10 + 6 = 16

14.(−5) + (−5) = (answer space)

Answer: −10

Adding a negative is the same as subtracting: -5 − 5 = -10

15.9 − 10 = (answer space)

Answer: −1

Move 10 to the left on the number line.

16.(−7) + 2 = (answer space)

Answer: −5

Move 2 to the right on the number line.

17.7 − 7 = (answer space)

Answer: 0

Move 7 to the left on the number line.

18.8 − 9 = (answer space)

Answer: −1

Move 9 to the left on the number line.

19.(−1) − (−6) = (answer space)

Answer: 5

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

20.8 − (−5) = (answer space)

Answer: 13

Subtracting a negative is the same as adding: 8 + 5 = 13

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.

Great work. Here's what to try next: