Math Unit 2 Percents Practice Test

What is 4% of 300?

Answer explanation

We are looking for our part.

part = percent · whole

part = 0.04 · 300

part = 12

Tags

CCSS.6.RP.A.3C

On Friday night, 165 people saw the dinosaur exhibit at the natural history museum. This amount represents 22% of the people who visited the museum that night.

A total of ______ people visited the natural history museum Friday night.

• 36

• 133

• 750

• 1500

Answer explanation

We are looking for our whole.

$whole\ =\ \frac{part}{percent}$
$whole\ =\ \frac{165}{0.22}$
whole = 750

Tags

CCSS.6.RP.A.3C

Fifty people were surveyed about their favorite flavor of frozen yogurt. The results of the survey are displayed in the circle graph.

How many people prefer vanilla?

Answer explanation

We are looking for our part.

part = percent · whole

part = 0.22 · 50

part = 11

49 is 70% of what number?

Answer explanation

$whole\ =\ \frac{49}{0.70}$ we are looking for our whole

$whole\ =\ \frac{part}{percent}$

whole = 70

Tags

CCSS.6.RP.A.3C

Gravel covers 66 feet of a path. This distance represents 55% of the length of the path.

What is the length of the path?

Answer explanation

We are looking for our whole

$whole\ =\ \frac{part}{percent}$

$whole\ =\ \frac{66}{0.55}$

whole = 120

Tags

CCSS.6.RP.A.3C

There are 150 trees in the park. Elm trees represent 40% of the trees in the park.

How many elm trees are in the park?

• 60 elm trees

• 90 elm trees

• 250 elm trees

• 375 elm trees

Answer explanation

We are looking for our part.

part = percent · whole

part = 0.40 · 150

part = 60

Tags

CCSS.6.RP.A.3C

9 is 15% of what number?

Answer explanation

We are looking for our whole

$whole\ =\ \frac{part}{percent}$

$whole\ =\ \frac{9}{0.15}$

whole = 60

Tags

CCSS.6.RP.A.3C

20 is 25% of what number?

Answer explanation

We are looking for our whole.

$whole\ =\ \frac{part}{percent}$

$whole\ =\ \frac{20}{0.25}$

whole = 80

Tags

CCSS.6.RP.A.3C

What is 18% of 700?

Answer explanation

We are looking for our part

part = percent · whole

part = 0.18 · 700

part = 126

Tags

CCSS.6.RP.A.3C

What is 40% of 206?

Answer explanation

We are looking for our part.

part = percent · whole

part = 0.40 · 206

part = 82.4

Tags

CCSS.6.RP.A.3C