Year 8 Integers (Directed Numbers) Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 8 integers worksheet.
Year 8 Integers (Directed Numbers) Worksheet — Level 1 — Practice Set 3 — Answers
Remember the sign rules. Use a number line if it helps.
Answer: −8
Move 5 to the left on the number line.
Answer: −1
Move 10 to the left on the number line.
Answer: 7
Move 1 to the left on the number line.
Answer: 1
Move 9 to the left on the number line.
Answer: −10
Adding a negative is the same as subtracting: -6 − 4 = -10
Answer: 2
Subtracting a negative is the same as adding: -3 + 5 = 2
Answer: 10
Subtracting a negative is the same as adding: 3 + 7 = 10
Answer: 19
Move 10 to the right on the number line.
Answer: −5
Subtracting a negative is the same as adding: -7 + 2 = -5
Answer: 9
Move 5 to the right on the number line.
Answer: −16
Adding a negative is the same as subtracting: -9 − 7 = -16
Answer: 16
Subtracting a negative is the same as adding: 8 + 8 = 16
Answer: −14
Adding a negative is the same as subtracting: -4 − 10 = -14
Answer: −9
Move 1 to the left on the number line.
Answer: −8
Adding a negative is the same as subtracting: 1 − 9 = -8
Answer: 10
Subtracting a negative is the same as adding: 2 + 8 = 10
Answer: −5
Adding a negative is the same as subtracting: 0 − 5 = -5
Answer: −6
Subtracting a negative is the same as adding: -8 + 2 = -6
Answer: −8
Adding a negative is the same as subtracting: -3 − 5 = -8
Answer: 14
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.