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These sample problems below for Decimal Multiplication were generated by the MathScore.com engine.

Sample Problems For Decimal Multiplication


Complexity=1, Mode=1

Multiply.
1.  
1.6
  × 0.1
2.  
1.8
  × 1.6

Complexity=3, Mode=1

Multiply.
1.  
0.5
  × 2.7
2.  
0.1
  × 1.3

Complexity=5, Mode=1

Multiply.
1.  
3.3
  × 3.5
2.  
2.9
  × 0.2

Complexity=15, Mode=2

Multiply.
1.  
15.92
  × 0.76
2.  
8.27
  × 2.29

Complexity=20, Mode=2

Multiply.
1.  
5.5
  × 20.08
2.  
0.56
  × 4.1

Complexity=10, Mode=3

Multiply.
1.  
5.253
  × 4.388
2.  
1.44
  × 5.727

Complexity=20, Mode=4

Multiply.
1.  
13.1393
  × 6.4129
2.  
3.7406
  × 7.021

Complexity=50, Mode=4

Multiply.
1.  
2.0664
  × 23.4394
2.  
29.1524
  × 3.6021

Answers


Complexity=1, Mode=1

Multiply.
#Correct AnswerYour Answer
1
1.6
  × 0.1
Solution
Ignore the decimals for now and multiply as usual.
    16
  × 01
    16
   00
    16
Now add the decimal point back into the answer:
1.6 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 0.16.
#Correct AnswerYour Answer
2
1.8
  × 1.6
Solution
Ignore the decimals for now and multiply as usual.
    18
  × 16
   108
   18
   288
Now add the decimal point back into the answer:
1.8 has 1 digit to the right of the decimal point and 1.6 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 2.88.

Complexity=3, Mode=1

Multiply.
#Correct AnswerYour Answer
1
0.5
  × 2.7
Solution
Ignore the decimals for now and multiply as usual.
    05
  × 27
    35
   10
   135
Now add the decimal point back into the answer:
0.5 has 1 digit to the right of the decimal point and 2.7 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 1.35.
#Correct AnswerYour Answer
2
0.1
  × 1.3
Solution
Ignore the decimals for now and multiply as usual.
    01
  × 13
     3
    1
    13
Now add the decimal point back into the answer:
0.1 has 1 digit to the right of the decimal point and 1.3 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 0.13.

Complexity=5, Mode=1

Multiply.
#Correct AnswerYour Answer
1
3.3
  × 3.5
Solution
Ignore the decimals for now and multiply as usual.
     33
   × 35
    165
    99
   1155
Now add the decimal point back into the answer:
3.3 has 1 digit to the right of the decimal point and 3.5 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 11.55.
#Correct AnswerYour Answer
2
2.9
  × 0.2
Solution
Ignore the decimals for now and multiply as usual.
    29
  × 02
    58
   00
    58
Now add the decimal point back into the answer:
2.9 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 0.58.

Complexity=15, Mode=2

Multiply.
#Correct AnswerYour Answer
1
15.92
  × 0.76
Solution
Ignore the decimals for now and multiply as usual.
     1592
    × 076
     9552
   11144
   0000
   120992
Now add the decimal point back into the answer:
15.92 has 2 digits to the right of the decimal point and 0.76 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 12.0992.
#Correct AnswerYour Answer
2
8.27
  × 2.29
Solution
Ignore the decimals for now and multiply as usual.
      827
    × 229
     7443
    1654
   1654
   189383
Now add the decimal point back into the answer:
8.27 has 2 digits to the right of the decimal point and 2.29 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 18.9383.

Complexity=20, Mode=2

Multiply.
#Correct AnswerYour Answer
1
5.5
  × 20.08
Solution
Ignore the decimals for now and multiply as usual.
      55
  × 2008
     440
     00
    00
  110
  110440
Now add the decimal point back into the answer:
5.5 has 1 digit to the right of the decimal point and 20.08 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 110.44.
#Correct AnswerYour Answer
2
0.56
  × 4.1
Solution
Ignore the decimals for now and multiply as usual.
    056
   × 41
     56
   224
   2296
Now add the decimal point back into the answer:
0.56 has 2 digits to the right of the decimal point and 4.1 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 2.296.

Complexity=10, Mode=3

Multiply.
#Correct AnswerYour Answer
1
5.253
  × 4.388
Solution
Ignore the decimals for now and multiply as usual.
       5253
     × 4388
      42024
     42024
    15759
   21012
   23050164
Now add the decimal point back into the answer:
5.253 has 3 digits to the right of the decimal point and 4.388 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 23.050164.
#Correct AnswerYour Answer
2
1.44
  × 5.727
Solution
Ignore the decimals for now and multiply as usual.
      144
   × 5727
     1008
     288
   1008
   720
   824688
Now add the decimal point back into the answer:
1.44 has 2 digits to the right of the decimal point and 5.727 has 3 digits to the right of the decimal point .
For the answer, put the decimal point 5 (2 + 3) places to the right of the answer.
So, the final answer is 8.24688.

Complexity=20, Mode=4

Multiply.
#Correct AnswerYour Answer
1
13.1393
  × 6.4129
Solution
Ignore the decimals for now and multiply as usual.
       131393
      × 64129
      1182537
      262786
     131393
    525572
   788358
   8426101697
Now add the decimal point back into the answer:
13.1393 has 4 digits to the right of the decimal point and 6.4129 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 84.26101697.
#Correct AnswerYour Answer
2
3.7406
  × 7.021
Solution
Ignore the decimals for now and multiply as usual.
       37406
      × 7021
       37406
      74812
     00000
   261842
   262627526
Now add the decimal point back into the answer:
3.7406 has 4 digits to the right of the decimal point and 7.021 has 3 digits to the right of the decimal point .
For the answer, put the decimal point 7 (4 + 3) places to the right of the answer.
So, the final answer is 26.2627526.

Complexity=50, Mode=4

Multiply.
#Correct AnswerYour Answer
1
2.0664
  × 23.4394
Solution
Ignore the decimals for now and multiply as usual.
        20664
     × 234394
        82656
      185976
      61992
     82656
    61992
   41328
   4843517616
Now add the decimal point back into the answer:
2.0664 has 4 digits to the right of the decimal point and 23.4394 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 48.43517616.
#Correct AnswerYour Answer
2
29.1524
  × 3.6021
Solution
Ignore the decimals for now and multiply as usual.
        291524
       × 36021
        291524
       583048
      000000
    1749144
    874572
   10500986004
Now add the decimal point back into the answer:
29.1524 has 4 digits to the right of the decimal point and 3.6021 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 105.00986004.

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