Percents With Models

What percent is represented by the second 10 × 10 grid?

• 12%

• 15%

• 18%

• 20%

What percent is represented by the third 10 × 10 grid?

• 50%

• 80%

• 70%

• 60%

What percent is represented by the fourth 10 × 10 grid?

• 24%

• 36%

• 16%

• 26%

What is the percent represented in the model? 

• 20%

• 2%

• .2%

• 0.02%

In a student survey, 44% of the students surveyed said that they liked the school mascot. Which 10 X 10 grid correctly models 44%?

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In a swim team survey, 57% of the swimmers surveyed said that they felt ready for the competition. Which 10 X 10 grid correctly models 57%?

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What percent is represented by the bar diagram?

• 25%

• 5%

• 50%

• 20%

What percentage of the model is shaded?

• 1%

• 10%

• 99%

• 100%

Answer explanation

10 squares are shaded in the model. There are 100 total squares in the model. The fraction of the model shaded is 10/100. A percent, or percentage, is a special fraction that always has 100 as the denominator. Because the bottom of a percent is always 100, we don’t even write it. We remove the 100 and put a % instead. 10/100 = 10%.

Which percent is equivalent or equal to the fraction in the picture?

• 89%

• 100%

• 189%

• 11%

Answer explanation

A percent, or percentage, is a special fraction that always has 100 as the denominator. Because the bottom of a percent is always 100, we don’t even write it. We remove the 100 and put a % instead. 89/100 = 89%.

Which percent names the amount of the grid that is shaded?

• 3.4%

• 14%

• 34%

• 43%