Year 8 Integers (Directed Numbers) Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 8 integers worksheet.
Year 8 Integers (Directed Numbers) Worksheet — Level 1 — Practice Set 4 — Answers
Remember the sign rules. Use a number line if it helps.
Answer: −11
Adding a negative is the same as subtracting: -2 − 9 = -11
Answer: −10
Adding a negative is the same as subtracting: -3 − 7 = -10
Answer: −1
Subtracting a negative is the same as adding: -3 + 2 = -1
Answer: −3
Move 2 to the right on the number line.
Answer: −2
Move 8 to the right on the number line.
Answer: 12
Subtracting a negative is the same as adding: 3 + 9 = 12
Answer: −11
Move 2 to the left on the number line.
Answer: −7
Subtracting a negative is the same as adding: -9 + 2 = -7
Answer: −4
Adding a negative is the same as subtracting: 4 − 8 = -4
Answer: 0
Adding a negative is the same as subtracting: 4 − 4 = 0
Answer: 3
Adding a negative is the same as subtracting: 7 − 4 = 3
Answer: −15
Adding a negative is the same as subtracting: -9 − 6 = -15
Answer: 7
Move 3 to the left on the number line.
Answer: −2
Subtracting a negative is the same as adding: -9 + 7 = -2
Answer: 16
Subtracting a negative is the same as adding: 7 + 9 = 16
Answer: 6
Move 3 to the right on the number line.
Answer: 14
Subtracting a negative is the same as adding: 5 + 9 = 14
Answer: −15
Adding a negative is the same as subtracting: -6 − 9 = -15
Answer: −4
Move 2 to the right on the number line.
Answer: 5
Move 6 to the right 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.