Year 8 Integers (Directed Numbers) Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 8 integers worksheet.
Year 8 Integers (Directed Numbers) Worksheet — Level 1 — Practice Set 2 — Answers
Remember the sign rules. Use a number line if it helps.
Answer: 0
Move 2 to the left on the number line.
Answer: −7
Adding a negative is the same as subtracting: 0 − 7 = -7
Answer: 14
Move 9 to the right on the number line.
Answer: −4
Move 2 to the right on the number line.
Answer: −6
Adding a negative is the same as subtracting: 1 − 7 = -6
Answer: −2
Move 4 to the left on the number line.
Answer: −12
Move 10 to the left on the number line.
Answer: 12
Subtracting a negative is the same as adding: 4 + 8 = 12
Answer: 7
Subtracting a negative is the same as adding: 6 + 1 = 7
Answer: 4
Move 10 to the right on the number line.
Answer: 20
Move 10 to the right on the number line.
Answer: −1
Move 6 to the left on the number line.
Answer: 5
Adding a negative is the same as subtracting: 8 − 3 = 5
Answer: −6
Move 9 to the left on the number line.
Answer: −9
Move 2 to the left on the number line.
Answer: −14
Move 5 to the left on the number line.
Answer: 11
Subtracting a negative is the same as adding: 10 + 1 = 11
Answer: 6
Subtracting a negative is the same as adding: -2 + 8 = 6
Answer: −16
Adding a negative is the same as subtracting: -9 − 7 = -16
Answer: −4
Move 1 to the left on the number line.
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.