5th Grade Square and Cube Numbers Worksheet — Level 3 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 5th Grade factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheet5th Grade · Mathematics · Factors, Multiples & Primes5th Grade 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.
1.22 = (answer space)
Answer: 4
- 2 × 2 = 4
2.√16 = (answer space)
Answer: 4
- 4 × 4 = 16
3.80 is a square number.
Answer: False
82 = 64 and 92 = 81, so 80 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
6.512 is a cube number.
Answer: True
8 × 8 × 8 = 512
7.√156 lies between the whole numbers (answer space) and (answer space).
Answer: 12, 13
- 122 = 144 and 132 = 169
- 144 < 156 < 169
8.42 + 102 = (answer space)
Answer: 116
- 16 + 100 = 116
9.172 = (answer space)
Answer: 289
- 17 × 17 = 289
10.√100 = (answer space)
Answer: 10
- 10 × 10 = 100
11.137 is a square number.
Answer: False
112 = 121 and 122 = 144, so 137 is not a square number.
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.