2-digit by 1-digit Multiplication with Grid Support Including ... - Free Printable
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Step-by-step solution for: 2-digit by 1-digit Multiplication with Grid Support Including ...
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Show Answer Key & Explanations
Step-by-step solution for: 2-digit by 1-digit Multiplication with Grid Support Including ...
Let's solve each of the 2-digit by 1-digit multiplication problems on the grid. We'll go step-by-step for each one, showing the calculation and placing the result in the correct format.
---
- 7 × 4 = 28 → write 8, carry 2
- 4 × 4 = 16 + 2 = 18
- Result: 188
```
47
× 4
-----
188
```
---
- 8 × 8 = 64 → write 4, carry 6
- 2 × 8 = 16 + 6 = 22
- Result: 224
```
28
× 8
-----
224
```
---
- 5 × 2 = 10 → write 0, carry 1
- 5 × 2 = 10 + 1 = 11
- Result: 110
```
55
× 2
-----
110
```
---
- 7 × 3 = 21 → write 1, carry 2
- 3 × 3 = 9 + 2 = 11
- Result: 111
```
37
× 3
-----
111
```
---
- 5 × 3 = 15 → write 5, carry 1
- 9 × 3 = 27 + 1 = 28
- Result: 285
```
95
× 3
-----
285
```
---
- 6 × 7 = 42 → write 2, carry 4
- 9 × 7 = 63 + 4 = 67
- Result: 672
```
96
× 7
-----
672
```
---
- 5 × 7 = 35 → write 5, carry 3
- 1 × 7 = 7 + 3 = 10
- Result: 105
```
15
× 7
-----
105
```
---
- 1 × 6 = 6
- 6 × 6 = 36
- Result: 366
```
61
× 6
-----
366
```
---
- 9 × 2 = 18 → write 8, carry 1
- 4 × 2 = 8 + 1 = 9
- Result: 98
```
49
× 2
-----
98
```
---
- 4 × 2 = 8
- 1 × 2 = 2
- Result: 28
```
14
× 2
-----
28
```
---
- 4 × 5 = 20 → write 0, carry 2
- 1 × 5 = 5 + 2 = 7
- Result: 70
```
14
× 5
-----
70
```
---
- 9 × 3 = 27 → write 7, carry 2
- 8 × 3 = 24 + 2 = 26
- Result: 267
```
89
× 3
-----
267
```
---
- 0 × 4 = 0
- 3 × 4 = 12
- Result: 120
```
30
× 4
-----
120
```
---
- 8 × 3 = 24 → write 4, carry 2
- 7 × 3 = 21 + 2 = 23
- Result: 234
```
78
× 3
-----
234
```
---
- 6 × 7 = 42 → write 2, carry 4
- 1 × 7 = 7 + 4 = 11
- Result: 112
```
16
× 7
-----
112
```
---
- 8 × 9 = 72 → write 2, carry 7
- 6 × 9 = 54 + 7 = 61
- Result: 612
```
68
× 9
-----
612
```
---
- 5 × 3 = 15 → write 5, carry 1
- 4 × 3 = 12 + 1 = 13
- Result: 135
```
45
× 3
-----
135
```
---
- 8 × 5 = 40 → write 0, carry 4
- 6 × 5 = 30 + 4 = 34
- Result: 340
```
68
× 5
-----
340
```
---
- 9 × 9 = 81 → write 1, carry 8
- 9 × 9 = 81 + 8 = 89
- Result: 891
```
99
× 9
-----
891
```
---
- 2 × 7 = 14 → write 4, carry 1
- 6 × 7 = 42 + 1 = 43
- Result: 434
```
62
× 7
-----
434
```
---
- 9 × 6 = 54 → write 4, carry 5
- 4 × 6 = 24 + 5 = 29
- Result: 294
```
49
× 6
-----
294
```
---
- 6 × 8 = 48 → write 8, carry 4
- 5 × 8 = 40 + 4 = 44
- Result: 448
```
56
× 8
-----
448
```
---
- 4 × 7 = 28 → write 8, carry 2
- 2 × 7 = 14 + 2 = 16
- Result: 168
```
24
× 7
-----
168
```
---
- 9 × 8 = 72 → write 2, carry 7
- 9 × 8 = 72 + 7 = 79
- Result: 792
```
99
× 8
-----
792
```
---
- 6 × 3 = 18 → write 8, carry 1
- 4 × 3 = 12 + 1 = 13
- Result: 138
```
46
× 3
-----
138
```
---
## ✔ Final Answers:
| Problem | Answer |
|--------|--------|
| 1. 47 × 4 | 188 |
| 2. 28 × 8 | 224 |
| 3. 55 × 2 | 110 |
| 4. 37 × 3 | 111 |
| 5. 95 × 3 | 285 |
| 6. 96 × 7 | 672 |
| 7. 15 × 7 | 105 |
| 8. 61 × 6 | 366 |
| 9. 49 × 2 | 98 |
|10. 14 × 2 | 28 |
|11. 14 × 5 | 70 |
|12. 89 × 3 | 267 |
|13. 30 × 4 | 120 |
|14. 78 × 3 | 234 |
|15. 16 × 7 | 112 |
|16. 68 × 9 | 612 |
|17. 45 × 3 | 135 |
|18. 68 × 5 | 340 |
|19. 99 × 9 | 891 |
|20. 62 × 7 | 434 |
|21. 49 × 6 | 294 |
|22. 56 × 8 | 448 |
|23. 24 × 7 | 168 |
|24. 99 × 8 | 792 |
|25. 46 × 3 | 138 |
---
Each problem has a 3-row grid:
- Top row: the 2-digit number
- Middle row: the 1-digit multiplier
- Bottom row: where you write the product
Use the grid to align digits properly (especially when carrying over).
✔ All answers are now calculated and ready to be filled into the worksheet!
Let me know if you'd like this as a printable PDF or formatted for your student!
---
🔢 Problem 1: 47 × 4
- 7 × 4 = 28 → write 8, carry 2
- 4 × 4 = 16 + 2 = 18
- Result: 188
```
47
× 4
-----
188
```
---
🔢 Problem 2: 28 × 8
- 8 × 8 = 64 → write 4, carry 6
- 2 × 8 = 16 + 6 = 22
- Result: 224
```
28
× 8
-----
224
```
---
🔢 Problem 3: 55 × 2
- 5 × 2 = 10 → write 0, carry 1
- 5 × 2 = 10 + 1 = 11
- Result: 110
```
55
× 2
-----
110
```
---
🔢 Problem 4: 37 × 3
- 7 × 3 = 21 → write 1, carry 2
- 3 × 3 = 9 + 2 = 11
- Result: 111
```
37
× 3
-----
111
```
---
🔢 Problem 5: 95 × 3
- 5 × 3 = 15 → write 5, carry 1
- 9 × 3 = 27 + 1 = 28
- Result: 285
```
95
× 3
-----
285
```
---
🔢 Problem 6: 96 × 7
- 6 × 7 = 42 → write 2, carry 4
- 9 × 7 = 63 + 4 = 67
- Result: 672
```
96
× 7
-----
672
```
---
🔢 Problem 7: 15 × 7
- 5 × 7 = 35 → write 5, carry 3
- 1 × 7 = 7 + 3 = 10
- Result: 105
```
15
× 7
-----
105
```
---
🔢 Problem 8: 61 × 6
- 1 × 6 = 6
- 6 × 6 = 36
- Result: 366
```
61
× 6
-----
366
```
---
🔢 Problem 9: 49 × 2
- 9 × 2 = 18 → write 8, carry 1
- 4 × 2 = 8 + 1 = 9
- Result: 98
```
49
× 2
-----
98
```
---
🔢 Problem 10: 14 × 2
- 4 × 2 = 8
- 1 × 2 = 2
- Result: 28
```
14
× 2
-----
28
```
---
🔢 Problem 11: 14 × 5
- 4 × 5 = 20 → write 0, carry 2
- 1 × 5 = 5 + 2 = 7
- Result: 70
```
14
× 5
-----
70
```
---
🔢 Problem 12: 89 × 3
- 9 × 3 = 27 → write 7, carry 2
- 8 × 3 = 24 + 2 = 26
- Result: 267
```
89
× 3
-----
267
```
---
🔢 Problem 13: 30 × 4
- 0 × 4 = 0
- 3 × 4 = 12
- Result: 120
```
30
× 4
-----
120
```
---
🔢 Problem 14: 78 × 3
- 8 × 3 = 24 → write 4, carry 2
- 7 × 3 = 21 + 2 = 23
- Result: 234
```
78
× 3
-----
234
```
---
🔢 Problem 15: 16 × 7
- 6 × 7 = 42 → write 2, carry 4
- 1 × 7 = 7 + 4 = 11
- Result: 112
```
16
× 7
-----
112
```
---
🔢 Problem 16: 68 × 9
- 8 × 9 = 72 → write 2, carry 7
- 6 × 9 = 54 + 7 = 61
- Result: 612
```
68
× 9
-----
612
```
---
🔢 Problem 17: 45 × 3
- 5 × 3 = 15 → write 5, carry 1
- 4 × 3 = 12 + 1 = 13
- Result: 135
```
45
× 3
-----
135
```
---
🔢 Problem 18: 68 × 5
- 8 × 5 = 40 → write 0, carry 4
- 6 × 5 = 30 + 4 = 34
- Result: 340
```
68
× 5
-----
340
```
---
🔢 Problem 19: 99 × 9
- 9 × 9 = 81 → write 1, carry 8
- 9 × 9 = 81 + 8 = 89
- Result: 891
```
99
× 9
-----
891
```
---
🔢 Problem 20: 62 × 7
- 2 × 7 = 14 → write 4, carry 1
- 6 × 7 = 42 + 1 = 43
- Result: 434
```
62
× 7
-----
434
```
---
🔢 Problem 21: 49 × 6
- 9 × 6 = 54 → write 4, carry 5
- 4 × 6 = 24 + 5 = 29
- Result: 294
```
49
× 6
-----
294
```
---
🔢 Problem 22: 56 × 8
- 6 × 8 = 48 → write 8, carry 4
- 5 × 8 = 40 + 4 = 44
- Result: 448
```
56
× 8
-----
448
```
---
🔢 Problem 23: 24 × 7
- 4 × 7 = 28 → write 8, carry 2
- 2 × 7 = 14 + 2 = 16
- Result: 168
```
24
× 7
-----
168
```
---
🔢 Problem 24: 99 × 8
- 9 × 8 = 72 → write 2, carry 7
- 9 × 8 = 72 + 7 = 79
- Result: 792
```
99
× 8
-----
792
```
---
🔢 Problem 25: 46 × 3
- 6 × 3 = 18 → write 8, carry 1
- 4 × 3 = 12 + 1 = 13
- Result: 138
```
46
× 3
-----
138
```
---
## ✔ Final Answers:
| Problem | Answer |
|--------|--------|
| 1. 47 × 4 | 188 |
| 2. 28 × 8 | 224 |
| 3. 55 × 2 | 110 |
| 4. 37 × 3 | 111 |
| 5. 95 × 3 | 285 |
| 6. 96 × 7 | 672 |
| 7. 15 × 7 | 105 |
| 8. 61 × 6 | 366 |
| 9. 49 × 2 | 98 |
|10. 14 × 2 | 28 |
|11. 14 × 5 | 70 |
|12. 89 × 3 | 267 |
|13. 30 × 4 | 120 |
|14. 78 × 3 | 234 |
|15. 16 × 7 | 112 |
|16. 68 × 9 | 612 |
|17. 45 × 3 | 135 |
|18. 68 × 5 | 340 |
|19. 99 × 9 | 891 |
|20. 62 × 7 | 434 |
|21. 49 × 6 | 294 |
|22. 56 × 8 | 448 |
|23. 24 × 7 | 168 |
|24. 99 × 8 | 792 |
|25. 46 × 3 | 138 |
---
📝 How to Use the Grid:
Each problem has a 3-row grid:
- Top row: the 2-digit number
- Middle row: the 1-digit multiplier
- Bottom row: where you write the product
Use the grid to align digits properly (especially when carrying over).
✔ All answers are now calculated and ready to be filled into the worksheet!
Let me know if you'd like this as a printable PDF or formatted for your student!
Parent Tip: Review the logic above to help your child master the concept of 2 digit by 1 digit multiplication worksheet printable.
