Let's solve each of the multiplication problems using
column multiplication (also known as long multiplication). I'll go through each step-by-step and provide the final answer.
---
1. 85 × 64
```
85
×64
----
340 ← 85 × 4
5100 ← 85 × 60 (shifted one place left)
----
5440
```
✔ Answer: 5440
---
2. 97 × 35
```
97
×35
----
485 ← 97 × 5
2910 ← 97 × 30 (shifted one place left)
----
3395
```
✔ Answer: 3395
---
3. 63 × 72
```
63
×72
----
126 ← 63 × 2
4410 ← 63 × 70 (shifted one place left)
----
4536
```
✔ Answer: 4536
---
4. 28 × 27
```
28
×27
----
196 ← 28 × 7
560 ← 28 × 20 (shifted one place left)
----
756
```
✔ Answer: 756
---
5. 35 × 92
```
35
×92
----
70 ← 35 × 2
3150 ← 35 × 90 (shifted one place left)
----
3220
```
✔ Answer: 3220
---
6. 46 × 57
```
46
×57
----
322 ← 46 × 7
2300 ← 46 × 50 (shifted one place left)
----
2622
```
✔ Answer: 2622
---
7. 98 × 46
```
98
×46
----
588 ← 98 × 6
3920 ← 98 × 40 (shifted one place left)
----
4508
```
✔ Answer: 4508
---
8. 53 × 87
```
53
×87
----
371 ← 53 × 7
4240 ← 53 × 80 (shifted one place left)
----
4611
```
✔ Answer: 4611
---
9. 74 × 36
```
74
×36
----
444 ← 74 × 6
2220 ← 74 × 30 (shifted one place left)
----
2664
```
✔ Answer: 2664
---
10. 84 × 77
```
84
×77
----
588 ← 84 × 7
5880 ← 84 × 70 (shifted one place left)
----
6468
```
✔ Answer: 6468
---
11. 39 × 44
```
39
×44
----
156 ← 39 × 4
1560 ← 39 × 40 (shifted one place left)
----
1716
```
✔ Answer: 1716
---
12. 68 × 37
```
68
×37
----
476 ← 68 × 7
2040 ← 68 × 30 (shifted one place left)
----
2516
```
✔ Answer: 2516
---
✔ Final Answers:
1.
5440
2.
3395
3.
4536
4.
756
5.
3220
6.
2622
7.
4508
8.
4611
9.
2664
10.
6468
11.
1716
12.
2516
---
Let me know if you'd like a printable version or explanation for any specific problem!
Parent Tip: Review the logic above to help your child master the concept of grade 4 math worksheet.
