Year 6 Square and Cube Numbers Worksheet — Level 3 — Answers
Answer sheet with worked solutions for the Year 6 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 6 · Mathematics · Factors, Multiples & PrimesYear 6 Square and Cube Numbers Worksheet — Level 3 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.192 = (answer space)
Answer: 361
- 19 × 19 = 361
2.√196 = (answer space)
Answer: 14
- 14 × 14 = 196
3.53 is a square number.
Answer: False
72 = 49 and 82 = 64, so 53 is not a square number.
4.73 = (answer space)
Answer: 343
- 7 × 7 × 7 = 343
5.The cube root of 729 is (answer space).
Answer: 9
- 9 × 9 × 9 = 729
6.104 is a cube number.
Answer: False
104 is not a whole number cubed.
7.√57 lies between the whole numbers (answer space) and (answer space).
Answer: 7, 8
- 72 = 49 and 82 = 64
- 49 < 57 < 64
8.92 + 32 = (answer space)
Answer: 90
- 81 + 9 = 90
9.182 = (answer space)
Answer: 324
- 18 × 18 = 324
10.√25 = (answer space)
Answer: 5
- 5 × 5 = 25
11.81 is a square number.
Answer: True
9 × 9 = 81
12.53 = (answer space)
Answer: 125
- 5 × 5 × 5 = 125
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.