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## Decimal Multiplication - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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### Complexity=1, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1.
 1.4   × 0.6
2.
 0.7   × 1.7

### Complexity=3, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1.
 2.2   × 0.2
2.
 1.7   × 0.1

### Complexity=5, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1.
 1.3   × 4.3
2.
 5.2   × 2.2

### Complexity=15, Mode=2

Multiply. Sample Answers: 12.09   .76   0.76

1.
 9.1   × 7.44
2.
 9.66   × 7.2

### Complexity=20, Mode=2

Multiply. Sample Answers: 12.09   .76   0.76

1.
 12.26   × 9.54
2.
 2.4   × 3.16

### Complexity=10, Mode=3

Multiply. Sample Answers: 12.09   .76   0.76

1.
 2.626   × 9.724
2.
 0.476   × 4.878

### Complexity=20, Mode=4

Multiply. Sample Answers: 12.09   .76   0.76

1.
 4.77   × 14.6125
2.
 6.187   × 19.1594

### Complexity=50, Mode=4

Multiply. Sample Answers: 12.09   .76   0.76

1.
 0.8922   × 44.0025
2.
 27.3695   × 24.8417

### Complexity=1, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1
 1.4   × 0.6
Solution
Ignore the decimals for now and multiply as usual.
```    14
× 06
84
00
84
```
Now add the decimal point back into the answer:
1.4 has 1 digit to the right of the decimal point and 0.6 has 1 digit to the right of the decimal point .
For the answer, put the decimal point 2 (1 + 1) places to the right of the answer.
So, the final answer is 0.84.
2
 0.7   × 1.7
Solution
Ignore the decimals for now and multiply as usual.
```    07
× 17
49
7
119
```
Now add the decimal point back into the answer:
0.7 has 1 digit to the right of the decimal point and 1.7 has 1 digit to the right of the decimal point .
For the answer, put the decimal point 2 (1 + 1) places to the right of the answer.
So, the final answer is 1.19.

### Complexity=3, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1
 2.2   × 0.2
Solution
Ignore the decimals for now and multiply as usual.
```    22
× 02
44
00
44
```
Now add the decimal point back into the answer:
2.2 has 1 digit to the right of the decimal point and 0.2 has 1 digit to the right of the decimal point .
For the answer, put the decimal point 2 (1 + 1) places to the right of the answer.
So, the final answer is 0.44.
2
 1.7   × 0.1
Solution
Ignore the decimals for now and multiply as usual.
```    17
× 01
17
00
17
```
Now add the decimal point back into the answer:
1.7 has 1 digit to the right of the decimal point and 0.1 has 1 digit to the right of the decimal point .
For the answer, put the decimal point 2 (1 + 1) places to the right of the answer.
So, the final answer is 0.17.

### Complexity=5, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1
 1.3   × 4.3
Solution
Ignore the decimals for now and multiply as usual.
```    13
× 43
39
52
559
```
Now add the decimal point back into the answer:
1.3 has 1 digit to the right of the decimal point and 4.3 has 1 digit to the right of the decimal point .
For the answer, put the decimal point 2 (1 + 1) places to the right of the answer.
So, the final answer is 5.59.
2
 5.2   × 2.2
Solution
Ignore the decimals for now and multiply as usual.
```     52
× 22
104
104
1144
```
Now add the decimal point back into the answer:
5.2 has 1 digit to the right of the decimal point and 2.2 has 1 digit to the right of the decimal point .
For the answer, put the decimal point 2 (1 + 1) places to the right of the answer.
So, the final answer is 11.44.

### Complexity=15, Mode=2

Multiply. Sample Answers: 12.09   .76   0.76

1
 9.1   × 7.44
Solution
Ignore the decimals for now and multiply as usual.
```      91
× 744
364
364
637
67704
```
Now add the decimal point back into the answer:
9.1 has 1 digit to the right of the decimal point and 7.44 has 2 digits to the right of the decimal point .
For the answer, put the decimal point 3 (1 + 2) places to the right of the answer.
So, the final answer is 67.704.
2
 9.66   × 7.2
Solution
Ignore the decimals for now and multiply as usual.
```     966
× 72
1932
6762
69552
```
Now add the decimal point back into the answer:
9.66 has 2 digits to the right of the decimal point and 7.2 has 1 digit to the right of the decimal point .
For the answer, put the decimal point 3 (2 + 1) places to the right of the answer.
So, the final answer is 69.552.

### Complexity=20, Mode=2

Multiply. Sample Answers: 12.09   .76   0.76

1
 12.26   × 9.54
Solution
Ignore the decimals for now and multiply as usual.
```      1226
× 954
4904
6130
11034
1169604
```
Now add the decimal point back into the answer:
12.26 has 2 digits to the right of the decimal point and 9.54 has 2 digits to the right of the decimal point .
For the answer, put the decimal point 4 (2 + 2) places to the right of the answer.
So, the final answer is 116.9604.
2
 2.4   × 3.16
Solution
Ignore the decimals for now and multiply as usual.
```     24
× 316
144
24
72
7584
```
Now add the decimal point back into the answer:
2.4 has 1 digit to the right of the decimal point and 3.16 has 2 digits to the right of the decimal point .
For the answer, put the decimal point 3 (1 + 2) places to the right of the answer.
So, the final answer is 7.584.

### Complexity=10, Mode=3

Multiply. Sample Answers: 12.09   .76   0.76

1
 2.626   × 9.724
Solution
Ignore the decimals for now and multiply as usual.
```       2626
× 9724
10504
5252
18382
23634
25535224
```
Now add the decimal point back into the answer:
2.626 has 3 digits to the right of the decimal point and 9.724 has 3 digits to the right of the decimal point .
For the answer, put the decimal point 6 (3 + 3) places to the right of the answer.
So, the final answer is 25.535224.
2
 0.476   × 4.878
Solution
Ignore the decimals for now and multiply as usual.
```      0476
× 4878
3808
3332
3808
1904
2321928
```
Now add the decimal point back into the answer:
0.476 has 3 digits to the right of the decimal point and 4.878 has 3 digits to the right of the decimal point .
For the answer, put the decimal point 6 (3 + 3) places to the right of the answer.
So, the final answer is 2.321928.

### Complexity=20, Mode=4

Multiply. Sample Answers: 12.09   .76   0.76

1
 4.77   × 14.6125
Solution
Ignore the decimals for now and multiply as usual.
```        477
× 146125
2385
954
477
2862
1908
477
69701625
```
Now add the decimal point back into the answer:
4.77 has 2 digits to the right of the decimal point and 14.6125 has 4 digits to the right of the decimal point .
For the answer, put the decimal point 6 (2 + 4) places to the right of the answer.
So, the final answer is 69.701625.
2
 6.187   × 19.1594
Solution
Ignore the decimals for now and multiply as usual.
```         6187
× 191594
24748
55683
30935
6187
55683
6187
1185392078
```
Now add the decimal point back into the answer:
6.187 has 3 digits to the right of the decimal point and 19.1594 has 4 digits to the right of the decimal point .
For the answer, put the decimal point 7 (3 + 4) places to the right of the answer.
So, the final answer is 118.5392078.

### Complexity=50, Mode=4

Multiply. Sample Answers: 12.09   .76   0.76

1
 0.8922   × 44.0025
Solution
Ignore the decimals for now and multiply as usual.
```       08922
× 440025
44610
17844
00000
00000
35688
35688
3925903050
```
Now add the decimal point back into the answer:
0.8922 has 4 digits to the right of the decimal point and 44.0025 has 4 digits to the right of the decimal point .
For the answer, put the decimal point 8 (4 + 4) places to the right of the answer.
So, the final answer is 39.2590305.
2
 27.3695   × 24.8417
Solution
Ignore the decimals for now and multiply as usual.
```        273695
× 248417
1915865
273695
1094780
2189560
1094780
547390
67990490815
```
Now add the decimal point back into the answer:
27.3695 has 4 digits to the right of the decimal point and 24.8417 has 4 digits to the right of the decimal point .
For the answer, put the decimal point 8 (4 + 4) places to the right of the answer.
So, the final answer is 679.90490815.