The task involves solving column multiplication problems. Below is the step-by-step solution for each problem:
---
Problem 1: \( 43 \times 7 \)
```
43
× 7
-----
301
```
- Multiply \( 3 \times 7 = 21 \). Write down 1 and carry over 2.
- Multiply \( 4 \times 7 = 28 \), then add the carried-over 2: \( 28 + 2 = 30 \).
Answer: \( 301 \)
---
Problem 2: \( 61 \times 9 \)
```
61
× 9
-----
549
```
- Multiply \( 1 \times 9 = 9 \).
- Multiply \( 6 \times 9 = 54 \).
Answer: \( 549 \)
---
Problem 3: \( 78 \times 6 \)
```
78
× 6
-----
468
```
- Multiply \( 8 \times 6 = 48 \). Write down 8 and carry over 4.
- Multiply \( 7 \times 6 = 42 \), then add the carried-over 4: \( 42 + 4 = 46 \).
Answer: \( 468 \)
---
Problem 4: \( 84 \times 5 \)
```
84
× 5
-----
420
```
- Multiply \( 4 \times 5 = 20 \). Write down 0 and carry over 2.
- Multiply \( 8 \times 5 = 40 \), then add the carried-over 2: \( 40 + 2 = 42 \).
Answer: \( 420 \)
---
Problem 5: \( 92 \times 3 \)
```
92
× 3
-----
276
```
- Multiply \( 2 \times 3 = 6 \).
- Multiply \( 9 \times 3 = 27 \).
Answer: \( 276 \)
---
Problem 6: \( 72 \times 4 \)
```
72
× 4
-----
288
```
- Multiply \( 2 \times 4 = 8 \).
- Multiply \( 7 \times 4 = 28 \).
Answer: \( 288 \)
---
Problem 7: \( 25 \times 8 \)
```
25
× 8
-----
200
```
- Multiply \( 5 \times 8 = 40 \). Write down 0 and carry over 4.
- Multiply \( 2 \times 8 = 16 \), then add the carried-over 4: \( 16 + 4 = 20 \).
Answer: \( 200 \)
---
Problem 8: \( 53 \times 9 \)
```
53
× 9
-----
477
```
- Multiply \( 3 \times 9 = 27 \). Write down 7 and carry over 2.
- Multiply \( 5 \times 9 = 45 \), then add the carried-over 2: \( 45 + 2 = 47 \).
Answer: \( 477 \)
---
Problem 9: \( 68 \times 5 \)
```
68
× 5
-----
340
```
- Multiply \( 8 \times 5 = 40 \). Write down 0 and carry over 4.
- Multiply \( 6 \times 5 = 30 \), then add the carried-over 4: \( 30 + 4 = 34 \).
Answer: \( 340 \)
---
Problem 10: \( 58 \times 3 \)
```
58
× 3
-----
174
```
- Multiply \( 8 \times 3 = 24 \). Write down 4 and carry over 2.
- Multiply \( 5 \times 3 = 15 \), then add the carried-over 2: \( 15 + 2 = 17 \).
Answer: \( 174 \)
---
Problem 11: \( 40 \times 7 \)
```
40
× 7
-----
280
```
- Multiply \( 0 \times 7 = 0 \).
- Multiply \( 4 \times 7 = 28 \).
Answer: \( 280 \)
---
Problem 12: \( 82 \times 4 \)
```
82
× 4
-----
328
```
- Multiply \( 2 \times 4 = 8 \).
- Multiply \( 8 \times 4 = 32 \).
Answer: \( 328 \)
---
Final Answers:
1. \( 301 \)
2. \( 549 \)
3. \( 468 \)
4. \( 420 \)
5. \( 276 \)
6. \( 288 \)
7. \( 200 \)
8. \( 477 \)
9. \( 340 \)
10. \( 174 \)
11. \( 280 \)
12. \( 328 \)
---
Boxed Final Answer:
\[
\boxed{301, 549, 468, 420, 276, 288, 200, 477, 340, 174, 280, 328}
\]
Parent Tip: Review the logic above to help your child master the concept of mathematics 3rd grade worksheet.
