Year 8 Integers (Directed Numbers) Worksheet — Level 3 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 8 integers worksheet.
Year 8 Integers (Directed Numbers) Worksheet — Level 3 — Practice Set 2 — Answers
Remember the sign rules. Use a number line if it helps.
Answer: 7
Subtracting a negative is the same as adding: -13 + 20 = 7
Answer: −4
Subtracting a negative is the same as adding: -17 + 13 = -4
Answer: −22
Adding a negative is the same as subtracting: -3 − 19 = -22
Answer: 192
Same signs give a positive product.
Answer: −20
Adding a negative is the same as subtracting: -13 − 7 = -20
Answer: 24
Subtracting a negative is the same as adding: 6 + 18 = 24
Answer: 40
Same signs give a positive product.
Answer: 20
Subtracting a negative is the same as adding: 15 + 5 = 20
Answer: −17
Subtracting a negative is the same as adding: -20 + 3 = -17
Answer: −6
Different signs give a negative quotient.
Answer: 6
Same signs give a positive quotient.
Answer: −3
Different signs give a negative quotient.
Answer: −60
Different signs give a negative product.
Answer: 12
Same signs give a positive product.
Answer: −30
Adding a negative is the same as subtracting: -16 − 14 = -30
Answer: 156
Same signs give a positive product.
Answer: 2
Same signs give a positive quotient.
Answer: −6
Move 6 to the left on the number line.
Answer: −6
Different signs give a negative quotient.
Answer: −34
Adding a negative is the same as subtracting: -20 − 14 = -34
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.