Year 5 Square and Cube Numbers Worksheet — Level 2 — 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 2 — 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.√196 = (answer space)
Answer: 14
- 14 × 14 = 196
3.121 is a square number.
Answer: True
11 × 11 = 121
4.33 = (answer space)
Answer: 27
- 3 × 3 × 3 = 27
5.The cube root of 27 is (answer space).
Answer: 3
- 3 × 3 × 3 = 27
6.8 is a cube number.
Answer: True
2 × 2 × 2 = 8
7.32 = (answer space)
Answer: 9
- 3 × 3 = 9
8.√100 = (answer space)
Answer: 10
- 10 × 10 = 100
9.114 is a square number.
Answer: False
102 = 100 and 112 = 121, so 114 is not a square number.
10.13 = (answer space)
Answer: 1
- 1 × 1 × 1 = 1
11.The cube root of 216 is (answer space).
Answer: 6
- 6 × 6 × 6 = 216
12.216 is a cube number.
Answer: True
6 × 6 × 6 = 216
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.