Equivalent Ratios
Equivalent Ratios
Ratio Tables
Unit Rate Problem Solving
Unit Rate Problem Solving
100

Are these ratios equivalent?

12 bikes to 4 cars

6 bikes to 2 cars

yes

100

Which ratio is not equivalent to 5/3?

A. 35/21    B. 25/15     C. 18/12     D.  10/6


D. 10/6

100


12

100

The ratio of the side length of a square to the square's perimeter is always 1 to 4. Peter drew a square with a perimeter of 28 inches.  What is the side length of the square Peter drew?

7

100

Last week, Laura volunteered at the community clean-up event and earned 2 patches for her scout uniform. She spent 4 minutes sewing the patches onto her uniform. This week, Laura spent the week at the scout camp and earned another 6 patches.  If Laura sews at the same rate, how many minutes will she spend sewing her new patches onto her uniform?

12

200

Are these ratios equivalent?

6 old surfboards : 9 new surfboards

10 old surfboards : 15 new surfboards

yes

200

Which ratio is equivalent to 3/10?

A. 9/10    B.  9/13    C. 9/20    D.  9/30

D. 9/30

200


2

200

Last summer, the Abrams family had a 30-gallon baby pool that they could fill in just 2 minutes. This summer, they purchased a larger kiddie pool that holds 150 gallons of water.  If the Abrams fill the larger pool at the same rate, how long will it take to fill it?

10

200

Nolan is following his family's macaroni and cheese recipe. The recipe calls for 6 cups of shredded cheese and 4 tablespoons of milk. He wants to make a smaller batch, so he uses only 3 cups of shredded cheese.  How much milk does Nolan need for this smaller batch?

2

300

Are these ratios equivalent?

$7 for every 9 units

$14 for every 18 units

yes

300
Which pair of ratios are equivalent?


A. 6/9 and 12/16       B. 9/15 and 18/30

C. 10/18 and 16/27    D.  12/15 and 15/20

B. 9/15 and 18/30

300


30 and 40

300

At the Roseville Middle School Spring Festival, Ellen is running the egg-dying station. She needs 5 tablespoons of vinegar for every 2 color tablets she uses. Ellen plans to use 16 color tablets.  How many tablespoons of vinegar will Ellen need?

40

300

The best drink at the Smoothie Shack is the Berry Blaster. It takes 3 cups of strawberries to make 2 Berry Blasters. The Smoothie Shack only has 15 cups of strawberries left.  How many Berry Blasters can the Smoothie Shack make?

10

400

Are these ratios equivalent?

10 sneakers : 20 sandals

5 sneakers : 8 sandals

no

400

Jessica can do 60 jumping-jacks in 2 minutes. Dave can do 150 jumping jacks in 5 minutes. Are these rates equivalent?

yes; 30 per minute

400


25 and 48

400

On weekday mornings, it takes Leo 12 minutes to bike 2 miles to his school. This Saturday, Leo will bike to the park to meet his friends. The park is 5 miles away from Leo's house.  If he bikes at the same rate, how many minutes will it take Leo to get to the park?

30

400

The Statue of Liberty is about 300 feet tall and about 30 feet wide. The town of Unionville is building a smaller model for their Fourth of July celebration. Unionville's statue will be 3 feet wide.  How tall should Unionville's statue be?

30

500

Are these ratios equivalent?

5 drivers every 3 months

20 drivers every 12 months

yes

500

A cookie recipe that yields 48 cookies calls for 2 cups of flour. A different cookie recipe that yields 60 cookies calls for 3 cups of flour. Are these rates equivalent?  

No; 24 per cup and 20 per cup

500


36 and 45

500

Chad's baseball team is practicing hitting in the batting cages. The pitching machines pitch baseballs at a rate of 35 pitches in 5 minutes. Chad practiced hitting for 8 minutes.  How many baseballs were pitched to Chad in that time?

56

500

Mr. Holloway is a craftsman who makes custom guitars by hand. His last order was for 2 guitars, and it took him 8 weeks to make them. He receives an order to make 7 guitars.  If he makes the guitars at the same rate, how long will it take Mr. Holloway to make the guitars?

28