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Percentages - 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=100, Mode=decimal

Convert the decimal into a percentage.

1.   0.42 %
2.   0.01 %

Complexity=200, Mode=decimal

Convert the decimal into a percentage.

1.   1.7 %
2.   0.65 %

Complexity=200, Mode=perc

Convert the percentage into a decimal.

1.   56%
2.   76%

Complexity=4, Mode=simple

Calculate the percentage. If necessary, round to the nearest percentage.

1.  
3
4
%
2.  
1
2
%

Complexity=15, Mode=simple

Calculate the percentage. If necessary, round to the nearest percentage.

1.  
4
10
%
2.  
2
6
%

Complexity=8, Mode=mixed

Calculate the percentage. If necessary, round to the nearest percentage.

1.  
3 3
7
%
2.  
3 1
5
%

Complexity=15, Mode=mixed

Calculate the percentage. If necessary, round to the nearest percentage.

1.  
1 9
14
%
2.  
2 7
9
%

Complexity=40, Mode=mixed

Calculate the percentage. If necessary, round to the nearest percentage.

1.  
8
9
%
2.  
2 6
14
%

Complexity=70, Mode=mixed-imp

Calculate the percentage. If necessary, round to the nearest percentage.

1.  
3 8
34
%
2.  
3 30
50
%

Answers

Complexity=100, Mode=decimal

Convert the decimal into a percentage.

#ProblemCorrect AnswerYour Answer
10.42 %
Solution
Multiply the decimal by 100 to get a percentage.
0.42 × 100 = 42%
#ProblemCorrect AnswerYour Answer
20.01 %
Solution
Multiply the decimal by 100 to get a percentage.
0.01 × 100 = 1%

Complexity=200, Mode=decimal

Convert the decimal into a percentage.

#ProblemCorrect AnswerYour Answer
11.7 %
Solution
Multiply the decimal by 100 to get a percentage.
1.7 × 100 = 170%
#ProblemCorrect AnswerYour Answer
20.65 %
Solution
Multiply the decimal by 100 to get a percentage.
0.65 × 100 = 65%

Complexity=200, Mode=perc

Convert the percentage into a decimal.

#ProblemCorrect AnswerYour Answer
156%
Solution
Divide the percentage by 100 to get the decimal.
56/100 = 0.56
#ProblemCorrect AnswerYour Answer
276%
Solution
Divide the percentage by 100 to get the decimal.
76/100 = 0.76

Complexity=4, Mode=simple

Calculate the percentage. If necessary, round to the nearest percentage.

#ProblemCorrect AnswerYour Answer
1
3
4
%
Solution
Convert 3/4 to a decimal
3/4 = 0.75
Multiply the decimal by 100 to get a percentage.
0.75 × 100 = 75%
#ProblemCorrect AnswerYour Answer
2
1
2
%
Solution
Convert 1/2 to a decimal
1/2 = 0.5
Multiply the decimal by 100 to get a percentage.
0.5 × 100 = 50%

Complexity=15, Mode=simple

Calculate the percentage. If necessary, round to the nearest percentage.

#ProblemCorrect AnswerYour Answer
1
4
10
%
Solution
Convert 4/10 to a decimal
4/10 = 0.4
Multiply the decimal by 100 to get a percentage.
0.4 × 100 = 40%
#ProblemCorrect AnswerYour Answer
2
2
6
%
Solution
Convert 2/6 to a decimal
2/6 = 0.33333333333333
Multiply the decimal by 100 to get a percentage.
0.33333333333333 × 100 = 33.333333333333%
Round 33.333333333333 to 33%

Complexity=8, Mode=mixed

Calculate the percentage. If necessary, round to the nearest percentage.

#ProblemCorrect AnswerYour Answer
1
3 3
7
%
Solution
Convert 33/7 to a decimal
33/7 = 3.4285714285714
Multiply the decimal by 100 to get a percentage.
3.4285714285714 × 100 = 342.85714285714%
Round 342.85714285714 to 343%
#ProblemCorrect AnswerYour Answer
2
3 1
5
%
Solution
Convert 31/5 to a decimal
31/5 = 3.2
Multiply the decimal by 100 to get a percentage.
3.2 × 100 = 320%

Complexity=15, Mode=mixed

Calculate the percentage. If necessary, round to the nearest percentage.

#ProblemCorrect AnswerYour Answer
1
1 9
14
%
Solution
Convert 19/14 to a decimal
19/14 = 1.6428571428571
Multiply the decimal by 100 to get a percentage.
1.6428571428571 × 100 = 164.28571428571%
Round 164.28571428571 to 164%
#ProblemCorrect AnswerYour Answer
2
2 7
9
%
Solution
Convert 27/9 to a decimal
27/9 = 2.7777777777778
Multiply the decimal by 100 to get a percentage.
2.7777777777778 × 100 = 277.77777777778%
Round 277.77777777778 to 278%

Complexity=40, Mode=mixed

Calculate the percentage. If necessary, round to the nearest percentage.

#ProblemCorrect AnswerYour Answer
1
8
9
%
Solution
Convert 8/9 to a decimal
8/9 = 0.88888888888889
Multiply the decimal by 100 to get a percentage.
0.88888888888889 × 100 = 88.888888888889%
Round 88.888888888889 to 89%
#ProblemCorrect AnswerYour Answer
2
2 6
14
%
Solution
Convert 26/14 to a decimal
26/14 = 2.4285714285714
Multiply the decimal by 100 to get a percentage.
2.4285714285714 × 100 = 242.85714285714%
Round 242.85714285714 to 243%

Complexity=70, Mode=mixed-imp

Calculate the percentage. If necessary, round to the nearest percentage.

#ProblemCorrect AnswerYour Answer
1
3 8
34
%
Solution
Convert 38/34 to a decimal
38/34 = 3.2352941176471
Multiply the decimal by 100 to get a percentage.
3.2352941176471 × 100 = 323.52941176471%
Round 323.52941176471 to 324%
#ProblemCorrect AnswerYour Answer
2
3 30
50
%
Solution
Convert 330/50 to a decimal
330/50 = 3.6
Multiply the decimal by 100 to get a percentage.
3.6 × 100 = 360%
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