Year 5 Square and Cube Numbers Worksheet — Level 3 — Practice Set 2 — 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 3 — Practice Set 2 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.32 = (answer space)
Answer: 9
- 3 × 3 = 9
2.√324 = (answer space)
Answer: 18
- 18 × 18 = 324
3.144 is a square number.
Answer: True
12 × 12 = 144
4.23 = (answer space)
Answer: 8
- 2 × 2 × 2 = 8
5.The cube root of 729 is (answer space).
Answer: 9
- 9 × 9 × 9 = 729
6.27 is a cube number.
Answer: True
3 × 3 × 3 = 27
7.√218 lies between the whole numbers (answer space) and (answer space).
Answer: 14, 15
- 142 = 196 and 152 = 225
- 196 < 218 < 225
8.82 + 102 = (answer space)
Answer: 164
- 64 + 100 = 164
9.112 = (answer space)
Answer: 121
- 11 × 11 = 121
10.√81 = (answer space)
Answer: 9
- 9 × 9 = 81
11.25 is a square number.
Answer: True
5 × 5 = 25
12.63 = (answer space)
Answer: 216
- 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.