Year 7 Square and Cube Numbers Worksheet — Level 3 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 7 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Factors, Multiples & PrimesYear 7 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.
1.62 = (answer space)
Answer: 36
- 6 × 6 = 36
2.√25 = (answer space)
Answer: 5
- 5 × 5 = 25
3.100 is a square number.
Answer: True
10 × 10 = 100
4.53 = (answer space)
Answer: 125
- 5 × 5 × 5 = 125
5.The cube root of 512 is (answer space).
Answer: 8
- 8 × 8 × 8 = 512
6.23 is a cube number.
Answer: False
23 is not a whole number cubed.
7.√192 lies between the whole numbers (answer space) and (answer space).
Answer: 13, 14
- 132 = 169 and 142 = 196
- 169 < 192 < 196
8.62 + 72 = (answer space)
Answer: 85
- 36 + 49 = 85
9.192 = (answer space)
Answer: 361
- 19 × 19 = 361
10.√4 = (answer space)
Answer: 2
- 2 × 2 = 4
11.126 is a square number.
Answer: False
112 = 121 and 122 = 144, so 126 is not a square number.
12.93 = (answer space)
Answer: 729
- 9 × 9 × 9 = 729
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.