Year 8 Square and Cube Numbers Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 8 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · Factors, Multiples & PrimesYear 8 Square and Cube Numbers Worksheet — Level 1 — Practice Set 4 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.82 = (answer space)
Answer: 64
- 8 × 8 = 64
2.√9 = (answer space)
Answer: 3
- 3 × 3 = 9
3.81 is a square number.
Answer: True
9 × 9 = 81
4.12 = (answer space)
Answer: 1
- 1 × 1 = 1
5.√25 = (answer space)
Answer: 5
- 5 × 5 = 25
6.89 is a square number.
Answer: False
92 = 81 and 102 = 100, so 89 is not a square number.
7.112 = (answer space)
Answer: 121
- 11 × 11 = 121
8.√49 = (answer space)
Answer: 7
- 7 × 7 = 49
9.145 is a square number.
Answer: False
122 = 144 and 132 = 169, so 145 is not a square number.
10.92 = (answer space)
Answer: 81
- 9 × 9 = 81
11.√81 = (answer space)
Answer: 9
- 9 × 9 = 81
12.63 is a square number.
Answer: False
72 = 49 and 82 = 64, so 63 is not a square number.
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.