Math Software Online: MathScore.com
  

- 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.  
0.7
  × 1
2.  
1.2
  × 1.9

Complexity=3, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76
1.  
0.7
  × 0.7
2.  
1
  × 0.5

Complexity=5, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76
1.  
1.4
  × 0.7
2.  
1.7
  × 3.5

Complexity=15, Mode=2

Multiply. Sample Answers: 12.09   .76   0.76
1.  
1.38
  × 13.59
2.  
7.63
  × 8.82

Complexity=20, Mode=2

Multiply. Sample Answers: 12.09   .76   0.76
1.  
2.07
  × 1.17
2.  
9.98
  × 19.41

Complexity=10, Mode=3

Multiply. Sample Answers: 12.09   .76   0.76
1.  
8.295
  × 0.021
2.  
10.349
  × 8.836

Complexity=20, Mode=4

Multiply. Sample Answers: 12.09   .76   0.76
1.  
12.3221
  × 16.9015
2.  
12.6656
  × 12.0361

Complexity=50, Mode=4

Multiply. Sample Answers: 12.09   .76   0.76
1.  
42.5238
  × 32.254
2.  
17.3386
  × 25.4938

Answers

Complexity=1, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76
#Correct AnswerYour Answer
1
0.7
  × 1
Solution
Ignore the decimals for now and multiply as usual.
   07
  × 1
    7
Now add the decimal point back into the answer:
0.7 has 1 digit to the right of the decimal point and 1 has 0 digits to the right of the decimal point .
For the answer, put the decimal point 1 (1 + 0) places to the right of the answer.
So, the final answer is 0.7.
#Correct AnswerYour Answer
2
1.2
  × 1.9
Solution
Ignore the decimals for now and multiply as usual.
    12
  × 19
   108
   12
   228
Now add the decimal point back into the answer:
1.2 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 2.28.

Complexity=3, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76
#Correct AnswerYour Answer
1
0.7
  × 0.7
Solution
Ignore the decimals for now and multiply as usual.
    07
  × 07
    49
   00
    49
Now add the decimal point back into the answer:
0.7 has 1 digit to the right of the decimal point and 0.7 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 0.49.
#Correct AnswerYour Answer
2
1
  × 0.5
Solution
Ignore the decimals for now and multiply as usual.
    1
 × 05
    5
   0
    5
Now add the decimal point back into the answer:
1 has 0 digits to the right of the decimal point and 0.5 has 1 digit to the right of the decimal point .
For the answer, put the decimal point 1 (0 + 1) places to the right of the answer.
So, the final answer is 0.5.

Complexity=5, Mode=1

Multiply. Sample Answers: 12.09   .76   0.76
#Correct AnswerYour Answer
1
1.4
  × 0.7
Solution
Ignore the decimals for now and multiply as usual.
    14
  × 07
    98
   00
    98
Now add the decimal point back into the answer:
1.4 has 1 digit to the right of the decimal point and 0.7 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 0.98.
#Correct AnswerYour Answer
2
1.7
  × 3.5
Solution
Ignore the decimals for now and multiply as usual.
    17
  × 35
    85
   51
   595
Now add the decimal point back into the answer:
1.7 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 5.95.

Complexity=15, Mode=2

Multiply. Sample Answers: 12.09   .76   0.76
#Correct AnswerYour Answer
1
1.38
  × 13.59
Solution
Ignore the decimals for now and multiply as usual.
      138
   × 1359
     1242
     690
    414
   138
   187542
Now add the decimal point back into the answer:
1.38 has 2 digits to the right of the decimal point and 13.59 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 18.7542.
#Correct AnswerYour Answer
2
7.63
  × 8.82
Solution
Ignore the decimals for now and multiply as usual.
      763
    × 882
     1526
    6104
   6104
   672966
Now add the decimal point back into the answer:
7.63 has 2 digits to the right of the decimal point and 8.82 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 67.2966.

Complexity=20, Mode=2

Multiply. Sample Answers: 12.09   .76   0.76
#Correct AnswerYour Answer
1
2.07
  × 1.17
Solution
Ignore the decimals for now and multiply as usual.
     207
   × 117
    1449
    207
   207
   24219
Now add the decimal point back into the answer:
2.07 has 2 digits to the right of the decimal point and 1.17 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 2.4219.
#Correct AnswerYour Answer
2
9.98
  × 19.41
Solution
Ignore the decimals for now and multiply as usual.
       998
    × 1941
       998
     3992
    8982
    998
   1937118
Now add the decimal point back into the answer:
9.98 has 2 digits to the right of the decimal point and 19.41 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 193.7118.

Complexity=10, Mode=3

Multiply. Sample Answers: 12.09   .76   0.76
#Correct AnswerYour Answer
1
8.295
  × 0.021
Solution
Ignore the decimals for now and multiply as usual.
      8295
    × 0021
      8295
    16590
    0000
   0000
    174195
Now add the decimal point back into the answer:
8.295 has 3 digits to the right of the decimal point and 0.021 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 0.174195.
#Correct AnswerYour Answer
2
10.349
  × 8.836
Solution
Ignore the decimals for now and multiply as usual.
      10349
     × 8836
      62094
     31047
    82792
   82792
   91443764
Now add the decimal point back into the answer:
10.349 has 3 digits to the right of the decimal point and 8.836 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 91.443764.

Complexity=20, Mode=4

Multiply. Sample Answers: 12.09   .76   0.76
#Correct AnswerYour Answer
1
12.3221
  × 16.9015
Solution
Ignore the decimals for now and multiply as usual.
        123221
      × 169015
        616105
       123221
      000000
    1108989
    739326
   123221
   20826197315
Now add the decimal point back into the answer:
12.3221 has 4 digits to the right of the decimal point and 16.9015 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 208.26197315.
#Correct AnswerYour Answer
2
12.6656
  × 12.0361
Solution
Ignore the decimals for now and multiply as usual.
        126656
      × 120361
        126656
       759936
      379968
     000000
    253312
   126656
   15244442816
Now add the decimal point back into the answer:
12.6656 has 4 digits to the right of the decimal point and 12.0361 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 152.44442816.

Complexity=50, Mode=4

Multiply. Sample Answers: 12.09   .76   0.76
#Correct AnswerYour Answer
1
42.5238
  × 32.254
Solution
Ignore the decimals for now and multiply as usual.
        425238
       × 32254
       1700952
      2126190
      850476
     850476
   1275714
   13715626452
Now add the decimal point back into the answer:
42.5238 has 4 digits to the right of the decimal point and 32.254 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 1371.5626452.
#Correct AnswerYour Answer
2
17.3386
  × 25.4938
Solution
Ignore the decimals for now and multiply as usual.
        173386
      × 254938
       1387088
       520158
     1560474
     693544
    866930
   346772
   44202680068
Now add the decimal point back into the answer:
17.3386 has 4 digits to the right of the decimal point and 25.4938 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 442.02680068.
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