Let's solve each of these multiplication problems step by step. We'll use the standard
long multiplication method for two-digit numbers.
---
1) 13 × 14
```
13
× 14
----
52 ← 13 × 4
130 ← 13 × 10 (shifted one place left)
----
182
```
✔ Answer: 182
---
2) 30 × 21
```
30
× 21
----
30 ← 30 × 1
600 ← 30 × 20
----
630
```
✔ Answer: 630
---
3) 13 × 15
```
13
× 15
----
65 ← 13 × 5
130 ← 13 × 10
----
195
```
✔ Answer: 195
---
4) 40 × 22
```
40
× 22
----
80 ← 40 × 2
800 ← 40 × 20
----
880
```
✔ Answer: 880
---
5) 50 × 15
```
50
× 15
----
0 ← 50 × 5 = 250 → write 50? Wait, let's do it properly:
Actually:
50
× 15
----
250 ← 50 × 5
500 ← 50 × 10
----
750
```
✔ Answer: 750
---
6) 20 × 11
```
20
× 11
----
20 ← 20 × 1
200 ← 20 × 10
----
220
```
✔ Answer: 220
---
7) 11 × 25
```
11
× 25
----
55 ← 11 × 5
220 ← 11 × 20
----
275
```
✔ Answer: 275
---
8) 21 × 24
```
21
× 24
----
84 ← 21 × 4
420 ← 21 × 20
----
504
```
✔ Answer: 504
---
9) 14 × 25
```
14
× 25
----
70 ← 14 × 5
280 ← 14 × 20
----
350
```
✔ Answer: 350
---
10) 32 × 34
```
32
× 34
----
128 ← 32 × 4
960 ← 32 × 30
----
1088
```
✔ Answer: 1088
---
11) 12 × 22
```
12
× 22
----
24 ← 12 × 2
240 ← 12 × 20
----
264
```
✔ Answer: 264
---
12) 32 × 23
```
32
× 23
----
96 ← 32 × 3
640 ← 32 × 20
----
736
```
✔ Answer: 736
---
13) 32 × 15
```
32
× 15
----
160 ← 32 × 5
320 ← 32 × 10
----
480
```
✔ Answer: 480
---
14) 32 × 34
Wait — this is same as #10?
No: #10 was 32 × 34 → already did →
1088
But here it's again
32 × 34?
Yes, so same answer.
✔ Answer: 1088
Wait — double-checking:
```
32
× 34
----
128 ← 32 × 4
960 ← 32 × 30
----
1088
```
✔ Yes,
1088
---
15) 51 × 27
```
51
× 27
----
357 ← 51 × 7
1020 ← 51 × 20
----
1377
```
✔ Answer: 1377
---
✔ Final Answers:
| Problem | Answer |
|--------|--------|
| 1) 13 × 14 |
182 |
| 2) 30 × 21 |
630 |
| 3) 13 × 15 |
195 |
| 4) 40 × 22 |
880 |
| 5) 50 × 15 |
750 |
| 6) 20 × 11 |
220 |
| 7) 11 × 25 |
275 |
| 8) 21 × 24 |
504 |
| 9) 14 × 25 |
350 |
|10) 32 × 34 |
1088 |
|11) 12 × 22 |
264 |
|12) 32 × 23 |
736 |
|13) 32 × 15 |
480 |
|14) 32 × 34 |
1088 |
|15) 51 × 27 |
1377 |
---
Let me know if you'd like a printable version or explanation in another format!
Parent Tip: Review the logic above to help your child master the concept of multiplying by 2 digits worksheet.
