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## Basic 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.
 1.7   × 1.9
2.
 0.3   × 0.9

### Complexity=3, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1.
 2.4   × 0.8
2.
 1.7   × 0.6

### Complexity=5, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1.
 5.9   × 3.7
2.
 5.7   × 5.1

### Complexity=10, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1.
 3.7   × 8.5
2.
 4.2   × 5.4

### Complexity=1, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1
 1.7   × 1.9
Solution
Ignore the decimals for now and multiply as usual.
```    17
× 19
153
17
323
```
1.7 has 1 digit to the right of the decimal point and 1.9 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 3.23.
2
 0.3   × 0.9
Solution
Ignore the decimals for now and multiply as usual.
```    03
× 09
27
00
27
```
0.3 has 1 digit to the right of the decimal point and 0.9 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 0.27.

### Complexity=3, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1
 2.4   × 0.8
Solution
Ignore the decimals for now and multiply as usual.
```    24
× 08
192
00
192
```
2.4 has 1 digit to the right of the decimal point and 0.8 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 1.92.
2
 1.7   × 0.6
Solution
Ignore the decimals for now and multiply as usual.
```    17
× 06
102
00
102
```
1.7 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 1.02.

### Complexity=5, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1
 5.9   × 3.7
Solution
Ignore the decimals for now and multiply as usual.
```     59
× 37
413
177
2183
```
5.9 has 1 digit to the right of the decimal point and 3.7 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 21.83.
2
 5.7   × 5.1
Solution
Ignore the decimals for now and multiply as usual.
```     57
× 51
57
285
2907
```
5.7 has 1 digit to the right of the decimal point and 5.1 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 29.07.

### Complexity=10, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76

1
 3.7   × 8.5
Solution
Ignore the decimals for now and multiply as usual.
```     37
× 85
185
296
3145
```
3.7 has 1 digit to the right of the decimal point and 8.5 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 31.45.
2
 4.2   × 5.4
Solution
Ignore the decimals for now and multiply as usual.
```     42
× 54
168
210
2268
```