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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.   0.57 % 2.   0.88 %

Complexity=200, Mode=decimal

Convert the decimal into a percentage.
1.   0.01 % 2.   0.54 %

Complexity=200, Mode=perc

Convert the percentage into a decimal.
1.   48% 2.   95%

Complexity=4, Mode=simple

Calculate the percentage. If necessary, round to the nearest percentage.
1.  
2
3
% 		2.  
2
2
%

Complexity=15, Mode=simple

Calculate the percentage. If necessary, round to the nearest percentage.
1.  
1
6
% 		2.  
2
8
%

Complexity=8, Mode=mixed

Calculate the percentage. If necessary, round to the nearest percentage.
1.  
3 3
7
% 		2.  
2 3
8
%

Complexity=15, Mode=mixed

Calculate the percentage. If necessary, round to the nearest percentage.
1.  
3 6
10
% 		2.  
6
8
%

Complexity=40, Mode=mixed

Calculate the percentage. If necessary, round to the nearest percentage.
1.  
1 15
35
% 		2.  
23
40
%

Complexity=70, Mode=mixed-imp

Calculate the percentage. If necessary, round to the nearest percentage.
1.  
2 10
8
% 		2.  
2 48
36
%

Answers

Complexity=100, Mode=decimal

Convert the decimal into a percentage.
#ProblemCorrect AnswerYour Answer
10.57 %
Solution
Multiply the decimal by 100 to get a percentage.
0.57 × 100 = 57%
#ProblemCorrect AnswerYour Answer
20.88 %
Solution
Multiply the decimal by 100 to get a percentage.
0.88 × 100 = 88%

Complexity=200, Mode=decimal

Convert the decimal into a percentage.
#ProblemCorrect AnswerYour Answer
10.01 %
Solution
Multiply the decimal by 100 to get a percentage.
0.01 × 100 = 1%
#ProblemCorrect AnswerYour Answer
20.54 %
Solution
Multiply the decimal by 100 to get a percentage.
0.54 × 100 = 54%

Complexity=200, Mode=perc

Convert the percentage into a decimal.
#ProblemCorrect AnswerYour Answer
148%
Solution
Divide the percentage by 100 to get the decimal.
48/100 = 0.48
#ProblemCorrect AnswerYour Answer
295%
Solution
Divide the percentage by 100 to get the decimal.
95/100 = 0.95

Complexity=4, Mode=simple

Calculate the percentage. If necessary, round to the nearest percentage.
#ProblemCorrect AnswerYour Answer
1
2
3
%
Solution
Convert 2/3 to a decimal
2/3 = 0.66666666666667
Multiply the decimal by 100 to get a percentage.
0.66666666666667 × 100 = 66.666666666667%
Round 66.666666666667 to 67%
#ProblemCorrect AnswerYour Answer
2
2
2
%
Solution
Convert 2/2 to a decimal
2/2 = 1
Multiply the decimal by 100 to get a percentage.
1 × 100 = 100%

Complexity=15, Mode=simple

Calculate the percentage. If necessary, round to the nearest percentage.
#ProblemCorrect AnswerYour Answer
1
1
6
%
Solution
Convert 1/6 to a decimal
1/6 = 0.16666666666667
Multiply the decimal by 100 to get a percentage.
0.16666666666667 × 100 = 16.666666666667%
Round 16.666666666667 to 17%
#ProblemCorrect AnswerYour Answer
2
2
8
%
Solution
Convert 2/8 to a decimal
2/8 = 0.25
Multiply the decimal by 100 to get a percentage.
0.25 × 100 = 25%

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
2 3
8
%
Solution
Convert 23/8 to a decimal
23/8 = 2.375
Multiply the decimal by 100 to get a percentage.
2.375 × 100 = 237.5%
Round 237.5 to 238%

Complexity=15, Mode=mixed

Calculate the percentage. If necessary, round to the nearest percentage.
#ProblemCorrect AnswerYour Answer
1
3 6
10
%
Solution
Convert 36/10 to a decimal
36/10 = 3.6
Multiply the decimal by 100 to get a percentage.
3.6 × 100 = 360%
#ProblemCorrect AnswerYour Answer
2
6
8
%
Solution
Convert 6/8 to a decimal
6/8 = 0.75
Multiply the decimal by 100 to get a percentage.
0.75 × 100 = 75%

Complexity=40, Mode=mixed

Calculate the percentage. If necessary, round to the nearest percentage.
#ProblemCorrect AnswerYour Answer
1
1 15
35
%
Solution
Convert 115/35 to a decimal
115/35 = 1.4285714285714
Multiply the decimal by 100 to get a percentage.
1.4285714285714 × 100 = 142.85714285714%
Round 142.85714285714 to 143%
#ProblemCorrect AnswerYour Answer
2
23
40
%
Solution
Convert 23/40 to a decimal
23/40 = 0.575
Multiply the decimal by 100 to get a percentage.
0.575 × 100 = 57.5%
Round 57.5 to 58%

Complexity=70, Mode=mixed-imp

Calculate the percentage. If necessary, round to the nearest percentage.
#ProblemCorrect AnswerYour Answer
1
2 10
8
%
Solution
Convert 210/8 to a decimal
210/8 = 3.25
Multiply the decimal by 100 to get a percentage.
3.25 × 100 = 325%
#ProblemCorrect AnswerYour Answer
2
2 48
36
%
Solution
Convert 248/36 to a decimal
248/36 = 3.3333333333333
Multiply the decimal by 100 to get a percentage.
3.3333333333333 × 100 = 333.33333333333%
Round 333.33333333333 to 333%
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