Year 5 Square and Cube Numbers Worksheet — Level 3 — Practice Set 4 — 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 4 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.102 = (answer space)
Answer: 100
- 10 × 10 = 100
2.√361 = (answer space)
Answer: 19
- 19 × 19 = 361
3.4 is a square number.
Answer: True
2 × 2 = 4
4.13 = (answer space)
Answer: 1
- 1 × 1 × 1 = 1
5.The cube root of 343 is (answer space).
Answer: 7
- 7 × 7 × 7 = 343
6.27 is a cube number.
Answer: True
3 × 3 × 3 = 27
7.√90 lies between the whole numbers (answer space) and (answer space).
Answer: 9, 10
- 92 = 81 and 102 = 100
- 81 < 90 < 100
8.82 + 62 = (answer space)
Answer: 100
- 64 + 36 = 100
9.92 = (answer space)
Answer: 81
- 9 × 9 = 81
10.√4 = (answer space)
Answer: 2
- 2 × 2 = 4
11.49 is a square number.
Answer: True
7 × 7 = 49
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.