Year 9 Integers (Directed Numbers) Worksheet — Level 3 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 9 integers worksheet.
Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · IntegersYear 9 Integers (Directed Numbers) Worksheet — Level 3 — Practice Set 4 — Answers
Remember the sign rules. Use a number line if it helps.
Answer: 4
Same signs give a positive quotient.
Answer: −110
Different signs give a negative product.
Answer: −162
Different signs give a negative product.
Answer: 0
Subtracting a negative is the same as adding: -18 + 18 = 0
Answer: −15
Adding a negative is the same as subtracting: -7 − 8 = -15
Answer: 21
Move 1 to the right on the number line.
Answer: −9
Adding a negative is the same as subtracting: -7 − 2 = -9
Answer: 126
Same signs give a positive product.
Answer: 6
Same signs give a positive quotient.
Answer: 289
Same signs give a positive product.
Answer: 17
Move 3 to the right on the number line.
Answer: 12
Move 17 to the right on the number line.
Answer: 12
Same signs give a positive product.
Answer: −252
Different signs give a negative product.
Answer: −4
Different signs give a negative quotient.
Answer: −16
Subtracting a negative is the same as adding: -18 + 2 = -16
Answer: 280
Same signs give a positive product.
Answer: 9
Subtracting a negative is the same as adding: -11 + 20 = 9
Answer: −9
Move 16 to the left on the number line.
Answer: 6
Subtracting a negative is the same as adding: -2 + 8 = 6
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.