Rate/Ratios
Scale Factor/
Convert Measurements
% of a Number
Unit Rate
% increase/decrease
100

The ratio of nickels to quarters in a bowl is 7 to 3. There are 21 quarters in the bowl. How many nickels are in the bowl?

49 nickels

100

A dog weighs 11.3 kilograms. There are approximately 2.2 pounds in 1 kilogram.

Which measurement is closest to the dog’s weight in pounds?

24.86 pounds

100

Elena bought an electronic device for $430. There is an 8% sales tax rate. What is the sales tax for the electronic device in dollars?

$34.40

100

Walnuts are priced according to the chart below. What is the price per pound for walnuts?

$2.59

100

The price of a necklace was reduced from $45 to $36. By what percentage was the price of the necklace reduced?

20% decrease

200

Miguel uses 1.5 cups of sugar to make 2 liters of lemonade. He made 8 liters of lemonade for a party. How many cups of sugar did Miguel use to make lemonade for the party?

6 cups

200

Jean's height is 5.5 feet. There are approximately 1.68 meters in 1 foot. Which measurement is closest to Jean’s height in meters?

9.24 meters

200

Zane earns $1,600 a month. The table shows his monthly budget. What percent of his budget does Zane spend on food?

7.5%

200

Haylee paid $148 for 8 tickets to a basketball game. Each ticket cost the same amount. What was the cost of each ticket?

$18.50

200

The price of a bicycle was reduced from $150 to $105. By what percentage was the price of the bicycle reduced?

30% decrease

300

The cost of 9 yards of fabric is $60.75. What is the cost of 5 yards of fabric?

$33.75

300

A popular race is called a 10K because it is 10 kilometers in length. If one mile is approximately 1.6 kilometers, then how many miles is the race?

6.25 miles

300

Maya earns $2,200 a month. The table shows her monthly budget. Each category is assigned a certain percentage of her monthly income. What dollar amount does Maya spend on her house payment?

$660

300

Wrapping paper is on sale for 3 rolls for $12.75. How much does the wrapping paper cost per roll.

$4.25

300

The cost of crude oil increased from $44 to $55. By what percentage did the cost of crude oil increase?

25% increase

400

The ratio of males to females in a PE class is 3 to 4. There are 24 females. How many total students are in the PE class?

42 total students

400

Miguel measures 5 kilograms of rice. One kilogram is approximately equal to 2.2 pounds. How much rice did Miguel measure in pounds?

11 pounds

400

At MPMS, 61% of the 7th graders buy their lunches from the cafeteria. There are 400 students in 7th grade. How many of them do not buy their lunch in the cafeteria?

156 students

400

Luca can type 153 words in 3 minutes. How many words does Luca type per minute?

51 words

400

The price of a computer game increased from $60 to $81. By what percentage was the price of the computer game increased?

35% increase

500

Justin drove 166 miles in 4 hours. At this rate, how many miles did he drive in 1/2 hour?

20.75 miles

500

Laney is 4 feet 8 inches tall. There are 2.54 centimeters in 1 inch. What is Laney's height in centimeters?

142.24 centimeters

500

An ice cream shop keeps track of the various orders in the table below. What percentage of customers choose vanilla ice cream?

45%

500

Edgar pays $67.86 for 78 pounds of fertilizer. What is the price per pound of fertilizer?

$0.87

500

A brown bear lost 10 pounds in one month. At the end of the month, the bear weighed 240 pounds. By what percent did the bear decrease its weight?

4% decrease