Illustrative Mathematics Unit 4 Proportions and Percents

Which of these proportional equations would you use to find the missing pieces of a percent problem, using the words "Part and Whole"?

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Which of these proportional equations would you use to find the missing pieces of a percent problem, using the words "OF and IS"?

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What is 30% of 80?

• 30

• 24

• 2.4

• 56

Everyone at Ethan's school wore either brown or yellow for school spirit day. 74 out of the 100 students at the school wore brown. What percentage of the students wore brown?

• 26%

• 26

• 74

• 74%

Caroline's hot tub holds 75% as much water as Heidi's hot tub.  Heidi's hot tub holds 324 gallons.  How many gallons of water does Caroline's hot tub hold?

• 75 gallons

• 81 gallons

• 162 gallons

• 243 gallons

Yesterday, Ismael successfully made 16 free throws.  Today, he made 125% as many. 

How many free throws did Ismael successfully make today?

• 16 free throws

• 24 free throws

• 20 free throws

• 32 free throws

Anthony ate 4 ounces of applesauce out of the jar.  He ate 20% of the applesauce.  Select all the true statements.

• The jar had 20 ounces in it before Anthony ate any.

• The jar had 24 ounces in it before Anthony ate any.

• If Anthony were to eat 50% of the applesauce, he would eat 12 ounces.

• After Anthony ate 4 ounces, there were 16 ounces left in the jar.

• 80% of the applesauce is left in the jar.

Proportions are 2 _______ that are _______. This fish couldn't care less what the answer is, but I do. Silly fish.

• sandwiches, wet

• ratios, unequal

• ratios, equivalent

• paintings, beautiful

Caroline's hot tub holds 75% as much water as Heidi's hot tub.  Heidi's hot tub holds 324 gallons.  How many gallons of water does Caroline's hot tub hold?

• 75 gallons

• 81 gallons

• 162 gallons

• 243 gallons

• 4

• 6

• 8

• 10