Year 9 Integers (Directed Numbers) Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 9 integers worksheet.
Year 9 Integers (Directed Numbers) Worksheet — Level 1 — Answers
Remember the sign rules. Use a number line if it helps.
Answer: 4
Move 1 to the right on the number line.
Answer: 13
Subtracting a negative is the same as adding: 9 + 4 = 13
Answer: −7
Move 3 to the right on the number line.
Answer: −14
Move 4 to the left on the number line.
Answer: 17
Subtracting a negative is the same as adding: 9 + 8 = 17
Answer: 5
Move 4 to the right on the number line.
Answer: 6
Subtracting a negative is the same as adding: -4 + 10 = 6
Answer: −2
Move 1 to the left on the number line.
Answer: 13
Move 5 to the right on the number line.
Answer: −11
Move 9 to the left on the number line.
Answer: 1
Subtracting a negative is the same as adding: -2 + 3 = 1
Answer: −8
Adding a negative is the same as subtracting: -3 − 5 = -8
Answer: 8
Move 2 to the right on the number line.
Answer: 15
Subtracting a negative is the same as adding: 10 + 5 = 15
Answer: −4
Move 6 to the right on the number line.
Answer: 20
Move 10 to the right on the number line.
Answer: −14
Adding a negative is the same as subtracting: -7 − 7 = -14
Answer: 2
Adding a negative is the same as subtracting: 3 − 1 = 2
Answer: −6
Move 3 to the left on the number line.
Answer: −2
Move 7 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.