7th Grade Square and Cube Numbers Worksheet — Level 3 — Answers
Answer sheet with worked solutions for the 7th Grade factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Factors, Multiples & Primes7th Grade 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.
1.142 = (answer space)
Answer: 196
- 14 × 14 = 196
2.√225 = (answer space)
Answer: 15
- 15 × 15 = 225
3.117 is a square number.
Answer: False
102 = 100 and 112 = 121, so 117 is not a square number.
4.53 = (answer space)
Answer: 125
- 5 × 5 × 5 = 125
5.The cube root of 64 is (answer space).
Answer: 4
- 4 × 4 × 4 = 64
6.125 is a cube number.
Answer: True
5 × 5 × 5 = 125
7.√255 lies between the whole numbers (answer space) and (answer space).
Answer: 15, 16
- 152 = 225 and 162 = 256
- 225 < 255 < 256
8.22 + 42 = (answer space)
Answer: 20
- 4 + 16 = 20
9.102 = (answer space)
Answer: 100
- 10 × 10 = 100
10.√256 = (answer space)
Answer: 16
- 16 × 16 = 256
11.91 is a square number.
Answer: False
92 = 81 and 102 = 100, so 91 is not a square number.
12.23 = (answer space)
Answer: 8
- 2 × 2 × 2 = 8
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.