Unit 3 Ratio and Proportional Reasoning Review

Sam reads at a rate of 160 words per minute. Who reads at the same rate as Sam?

• Molly

• Braxter

• Sarah

• Damian

A 8-ounce bag of chocolate costs $4.08. An 10-ounce bag if chocolate costs $4.10. Which is a better deal?

• 8 ounce bag

• They are equivalent.

• Neither

• 10 ounce bag

In 2015, the population of the United States was about 320 million people. About 22% of the total United States is 14 years old or younger. About how many million people is that?

• 10

• 250

• 70

• 45

In 2015, the population of the United States was about 320 million people. About 7 out of 10 Americans live in urban areas. How many Americans live in or near large cities?

• 224 million

• 32 million

• 96 million

• 10 million

In 2015, the population of the United States was about 320 million people. Females make up about 51% of the total population of the United States. About how many males live here?

• 163 million

• 145 million

• 157 million

• 173 million

Which does not describe a ratio relationship between two quantities?

• 3 to 4

• 2:1

• $5 per slice

• $2.25

Which statement is false:

• A ratio is a comparison of two quantities that uses division.

• A rate compares two quantities that have different units of measure.

• Equivalent ratios are ratios that name a different, unequal ratio.

• When the comparison is to one unit, the rate is called a unit rate.

• 32

• 72

• 8

• 18

Given 1 inch = 2.54 cm, how many centimeters are in 5 inches?

• 7.62 cm

• 12.7 cm

• 5.08 cm

• 1.97 cm

What is the unit rate of cookies to eggs?

• 16 to 2

• 8 to 1

• 7 to 1

• 3 to 24