6th - Ratios and Rates Chapter Review

Ratios

100

If there are 2 calculators and 6 pencils, what is the ratio of pencils to total items?

6:8

200

Twelve of the 28 students in a class own a dog. What is the ratio of students who own a dog to students who do not?

12:16

300

Are the ratios equivalent?

2:3 and 4:9

no

400

Are the ratios equivalent?

28:32 and 7:8

Yes

500

You are downloading songs to your tablet. The ratio of pop songs to rock songs is 5:4. you download 40 pop songs. How many rock songs do you download?

32

Using Tape Diagrams

100

A tape diagram represents blue monsters to green monsters with the ratio of 3:1. You caught 10 green monsters. How many blue monsters did you catch?

30

200

The ratio of your monthly allowance to your friend's monthly allowance is 5:3. The monthly allowances total $40. How much is each allowance?

You: $25 

Friend: $15

300

In a 7-game basketball series a team's power forward scores 8 points for every 5 points the center scores. The forward scores 60 more points than the center in the series. How many points does each player score in the series?

Forward: 160 points

Center: 100 points

400

Methane gas contains carbon atoms and hydrogen atoms in the ratio of 1:4. A sample of methane gas contains 92 hydrogen atoms. How many carbon atoms are in the sample?

23 carbon atoms

500

You perform 7 sit-ups for every 2 pull-ups as part of an exercise routine. You perform 25 more sit-ups than pull-ups. How many sit-ups and how many pull-ups do you perform?

35 sit-ups 

10 pull-ups

Using Ratio Tables

100

Triangles to Sides - fill in the ?

1:3

2:?

?:9

4:?

6, 3, 12

200

People : Benches - Fill in the ? 

6 : 3

? : 12

18 : ?

24, 9

300

Miles to Hours: Fill in the ?

4 : 3

? : 6

24 : ? 

96 : ?

8, 18, 72

400

Calories : Servings - Fill in the ?

400 : 3

100 : ?

? : 15/4

3/4 , 500 

500

Dollars : Meals

150 : 10

? : 40

600

Rates and Unit Rates

100

Write the unit rate for the situation:

24 animals in 2 square miles

12 animals / square mile

200

Find the unit rate:

$12.50 for 5 ounces

$2.50 / ounce

300

Are the rates equivalent?

24 laps in 6 minutes

72 laps in 18 minutes

Yes they are equivalent

400

You buy 10 pounds of bird seed at Store A for $11.50. Your friend buys 15 pounds of bird seed at Store B for $19.50 Which is the better deal?

Store A

500

you buy 2 pounds of salmon filets at Store A for $21.50. Your friend buys 3 pounds of salmon filets at Store B for $33.75. Which is the better deal?

Store A

Converting Measures

100

Convert 3 pints to cups

6 cups

200

Convert 1500 milliliters to liters

1.5 L

300

Convert 7 feet to inches

84 inches

400

Convert 32 fluid ounces to milliliters

946.2 mL

500

Convert 15 centimeters to inches

About 5.9 inches