Let’s solve each long division problem step by step. We’ll find the quotient and remainder for each.
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1. 207 ÷ 9
- 9 × 23 = 207 → exactly!
- So, quotient = 23, remainder = 0
✔ Answer: 23 R0
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2. 575 ÷ 8
- 8 × 70 = 560
- 575 - 560 = 15
- 8 × 1 = 8 → 15 - 8 = 7
- So total quotient = 70 + 1 = 71, remainder = 7
Check: 8 × 71 = 568; 575 - 568 = 7
✔
✔ Answer: 71 R7
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3. 313 ÷ 4
- 4 × 70 = 280
- 313 - 280 = 33
- 4 × 8 = 32 → 33 - 32 = 1
- Quotient = 70 + 8 = 78, remainder = 1
Check: 4 × 78 = 312; 313 - 312 = 1
✔
✔ Answer: 78 R1
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4. 647 4
- 4 × 160 = 640
- 647 - 640 = 7
- 4 × 1 = 4 → 7 - 4 = 3
- Quotient = 160 + 1 = 161, remainder = 3
Check: 4 × 161 = 644; 647 - 644 = 3
✔
✔ Answer: 161 R3
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5. 791 ÷ 6
- 6 × 130 = 780
- 791 - 780 = 11
- 6 × 1 = 6 → 11 - 6 = 5
- Quotient = 130 + 1 = 131, remainder = 5
Check: 6 × 131 = 786; 791 - 786 = 5
✔
✔ Answer: 131 R5
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6. 237 6
- 6 × 30 = 180
- 237 - 180 = 57
- 6 × 9 = 54 → 57 - 54 = 3
- Quotient = 30 + 9 = 39, remainder = 3
Check: 6 × 39 = 234; 237 - 234 = 3
✔
✔ Answer: 39 R3
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7. 780 7
- 7 × 100 = 700
- 780 - 700 = 80
- 7 × 11 = 77 → 80 - 77 = 3
- Quotient = 100 + 11 = 111, remainder = 3
Check: 7 × 111 = 777; 780 - 777 = 3
✔
✔ Answer: 111 R3
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8. 588 ÷ 5
- 5 × 100 = 500
- 588 - 500 = 88
- 5 × 17 = 85 → 88 - 85 = 3
- Quotient = 100 + 17 = 117, remainder = 3
Check: 5 × 117 = 585; 588 - 585 = 3
✔
✔ Answer: 117 R3
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9. 388 ÷ 5
- 5 × 70 = 350
- 388 - 350 = 38
- 5 × 7 = 35 → 38 - 35 = 3
- Quotient = 70 + 7 = 77, remainder = 3
Check: 5 × 77 = 385; 388 - 385 = 3
✔
✔ Answer: 77 R3
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Final Answer:
1. 23 R0
2. 71 R7
3. 78 R1
4. 161 R3
5. 131 R5
6. 39 R3
7. 111 R3
8. 117 R3
9. 77 R3
Parent Tip: Review the logic above to help your child master the concept of 3 digit division worksheet for grade 3.
