Math Practice Problems - Percentage Pictures

Percentage Pictures - 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=3, Mode=100grid

Determine what percentage of the picture is shaded. If necessary, round to the nearest percentage.

#	Problem	Correct Answer	Your Answer
1		%
Solution 53 boxes out of 100 are shaded. Percentage is a ratio out of 100, so the answer is 53%

#	Problem	Correct Answer	Your Answer
2		%
Solution 39 boxes out of 100 are shaded. Percentage is a ratio out of 100, so the answer is 39%

Complexity=3, Mode=10square

Determine what percentage of the picture is shaded. If necessary, round to the nearest percentage.

#	Problem	Correct Answer	Your Answer
1		%
Solution Nothing is shaded, so 0% is shaded

#	Problem	Correct Answer	Your Answer
2		%
Solution 7 out of 10 boxes are shaded. ⁷/₁₀ = 0.7 Multiply the decimal by 100 to get a percentage. 0.7 × 100 = 70% Alternate Solution 7 out of 10 boxes are shaded. Multiply by 10 to make the ratio out of 100: 70/100 Percentage is a ratio out of 100, so the answer is 70%

Complexity=5, Mode=polygon

Determine what percentage of the picture is shaded. If necessary, round to the nearest percentage.

#	Problem	Correct Answer	Your Answer
1		%
Solution 1 out of 5 parts are shaded. ¹/₅ = 0.2 Multiply the decimal by 100 to get a percentage. 0.2 × 100 = 20%

#	Problem	Correct Answer	Your Answer
2		%
Solution 2 out of 4 parts are shaded. ²/₄ = 0.5 Multiply the decimal by 100 to get a percentage. 0.5 × 100 = 50% Alternate Solution This fraction simplifies to ¹/₂ Half of something is 50%

Complexity=9, Mode=polygon

Determine what percentage of the picture is shaded. If necessary, round to the nearest percentage.

#	Problem	Correct Answer	Your Answer
1		%
Solution 3 out of 5 parts are shaded. ³/₅ = 0.6 Multiply the decimal by 100 to get a percentage. 0.6 × 100 = 60%

#	Problem	Correct Answer	Your Answer
2		%
Solution 1 out of 5 parts are shaded. ¹/₅ = 0.2 Multiply the decimal by 100 to get a percentage. 0.2 × 100 = 20%

Complexity=15, Mode=polygon

Determine what percentage of the picture is shaded. If necessary, round to the nearest percentage.

#	Problem	Correct Answer	Your Answer
1		%
Solution 6 out of 11 parts are shaded. ⁶/₁₁ = 0.54545454545455 Multiply the decimal by 100 to get a percentage. 0.54545454545455 × 100 = 54.545454545455% Round 54.545454545455 to 55%

#	Problem	Correct Answer	Your Answer
2		%
Solution 5 out of 8 parts are shaded. ⁵/₈ = 0.625 Multiply the decimal by 100 to get a percentage. 0.625 × 100 = 62.5% Round 62.5 to 63%

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