Year 8 Integers (Directed Numbers) Worksheet — Level 2 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 8 integers worksheet.
Year 8 Integers (Directed Numbers) Worksheet — Level 2 — Practice Set 4 — Answers
Remember the sign rules. Use a number line if it helps.
Answer: −95
Different signs give a negative product.
Answer: 10
Move 7 to the right on the number line.
Answer: 21
Subtracting a negative is the same as adding: 13 + 8 = 21
Answer: −27
Adding a negative is the same as subtracting: -12 − 15 = -27
Answer: 14
Same signs give a positive product.
Answer: 2
Same signs give a positive quotient.
Answer: 6
Adding a negative is the same as subtracting: 7 − 1 = 6
Answer: 2
Adding a negative is the same as subtracting: 19 − 17 = 2
Answer: 270
Same signs give a positive product.
Answer: 28
Subtracting a negative is the same as adding: 9 + 19 = 28
Answer: −320
Different signs give a negative product.
Answer: −14
Subtracting a negative is the same as adding: -18 + 4 = -14
Answer: −12
Move 4 to the right on the number line.
Answer: −15
Move 6 to the left on the number line.
Answer: 2
Adding a negative is the same as subtracting: 12 − 10 = 2
Answer: 5
Subtracting a negative is the same as adding: 2 + 3 = 5
Answer: 9
Move 17 to the right on the number line.
Answer: −8
Adding a negative is the same as subtracting: 7 − 15 = -8
Answer: 2
Same signs give a positive quotient.
Answer: 54
Same signs give a positive product.
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.