Definitions
Simplify
Writing Ratios
Ratio Tables
Types of Ratios
100

What is the comparison of two quantities?

Ratio

100

Simplify 12/15

4/5

100

Tammy has 5 pencils and 21 pens. What is the ratio of pencils to pens? Write your answer in simplest form.

5/21

100

Each of the pairs of values in the table has the same ratio.

X        14        21        28

Y         4         __         8

What is the missing value in the table?

6

100

Billy stocked fruit to sell at a market. The ratio of bananas to strawberries is 4:5. If Billy has 20 bananas, how many strawberries does he have?

25

200

What are quantities that are equal?

Equivalent

200

Simplify 6/21

2/7

200

Use the table below to answer the following question.

Trucks - 5

Vans - 3

Cars - 8

Which two groups does the ratio 3:16 represent?

Vans:Whole

200

A zoo has male and female bats. The zoo always keeps the same ratio of male to female bats in their main display. The table shows the number of male and female bats in the zoo’s main display at various times. Fill in the missing values.

Males:        3        6         __

Females:    __       8        12

Male: 9

Female: 4

200

Lina stocked fruit to sell at a market. The ratio of apples to oranges is 1:4. If Lina has 6 apples, how many oranges does she have?

24

300

What is a number that represents part of a whole?

Fraction

300

Simplify 20/35

4/7

300

Bill has 30 video games and 9 cartoons. What is the ratio of cartoons to video games?

9:30

300

Each of the pairs of values in the table has the same ratio.

X        12        __        36

Y         3          6          9

What is the missing value in the table?

24

300

The ratio of french fries to packets of ketchup in Philip's bag is 5:1. What does this mean?

For every 5 french fries, Philip has 1 ketchup packet.

400

Which type of ratio is a comparison of two separate quanitites?

Part:Part

400

Simplify 4/24

1/6

400

Savannah has 4 girls and 2 boys. What is the ratio of girls to boys? Write your answer in simplest form.

2:1

400

A zoo has male and female tigers. The zoo always keeps the same ratio of male to female tigers in their main display. The table shows the number of male and female tigers in the zoo’s main display at various times. Fill in the missing values.

Males:        4        8         __

Females:    __      16        24

Males: 12

Females: 8

400

Students’ bicycles are parked in the bicycle rack. There are 5 red, 7 blue, 4 black, and 6 green. What is the ratio of black to green bicycles? Simplify if possible.

2:3

500

What are the three ways to write ratios?

colon, fraction, "to"

500

Simplify 9/24

3/8

500

Mr. Dollens has 20 students and 2 aides. What is the ratio of aids to students? Write your answer in simplest form.

1:10

500

Each of the pairs of values in the table has the same ratio.

X        5         10          15

Y        10        __         30

What is the missing value in the table?

20

500

Students’ bicycles are parked in the bicycle rack. There are 5 red, 7 blue, 4 black, and 6 green. What is the ratio of red to all bicycles? Simplify if possible.

5:22