I'll solve this worksheet step by step, working through each question carefully.
Question (1): The square of 5 is:
- Square means multiplying a number by itself
- 5² = 5 × 5 = 25
- Answer: (B) 25
Question (2): The square of 6 is:
- 6² = 6 × 6 = 36
- Answer: (B) 36
Question (3): The square of 9 is:
- 9² = 9 × 9 = 81
- Answer: (A) 81
Question (4): The square of 15 is:
- 15² = 15 × 15
- Let me calculate: 15 × 15 = 225
- Answer: (D) 225
Question (5): The square of 17 is:
- 17² = 17 × 17
- 17 × 17 = 289
- Answer: (C) 289
Question (6): The square of 19 is:
- 19² = 19 × 19
- 19 × 19 = 361
- Answer: (B) 361
Question (7): The square of 21 is:
- 21² = 21 × 21
- 21 × 21 = 441
- Answer: (C) 441
Question (8): The square of 56 is:
- 56² = 56 × 56
- 56 × 56 = 3136
- Answer: (A) 3136
Question (9): The square of 33 is:
- 33² = 33 × 33
- 33 × 33 = 1089
- Answer: (C) 1089
Question (10): The square root of 49 is:
- Square root asks: what number times itself equals 49?
- √49 = 7 (because 7 × 7 = 49)
- Answer: (D) 7
Question (11): The square root of 64 is:
- 64 = ? (what number × itself = 64?)
- 8 × 8 = 64
- So √64 = 8
- Answer: (D) 8
Question (12): The square root of 81 is:
- √81 = ? (what number × itself = 81?)
- 9 × 9 = 81
- So √81 = 9
- Answer: (C) 9
Final Answer:
(1) B, (2) B, (3) A, (4) D, (5) C, (6) B, (7) C, (8) A, (9) C, (10) D, (11) D, (12) C
Parent Tip: Review the logic above to help your child master the concept of squares and square roots worksheet.