Year 5 Square and Cube Numbers Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 5 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 5 · Mathematics · Factors, Multiples & PrimesYear 5 Square and Cube Numbers Worksheet — Level 1 — Practice Set 3 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.72 = (answer space)
Answer: 49
- 7 × 7 = 49
2.√4 = (answer space)
Answer: 2
- 2 × 2 = 4
3.16 is a square number.
Answer: True
4 × 4 = 16
4.112 = (answer space)
Answer: 121
- 11 × 11 = 121
5.√81 = (answer space)
Answer: 9
- 9 × 9 = 81
6.64 is a square number.
Answer: True
8 × 8 = 64
7.92 = (answer space)
Answer: 81
- 9 × 9 = 81
8.√36 = (answer space)
Answer: 6
- 6 × 6 = 36
9.61 is a square number.
Answer: False
72 = 49 and 82 = 64, so 61 is not a square number.
10.32 = (answer space)
Answer: 9
- 3 × 3 = 9
11.√144 = (answer space)
Answer: 12
- 12 × 12 = 144
12.36 is a square number.
Answer: True
6 × 6 = 36
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.