Ratio

Presentation

•

Mathematics

•

7th Grade

•

Medium

K Khal

Used 117+ times

FREE Resource

11 Slides • 10 Questions

Ratio

Introduction to Ratio

Learning Objectives:

Define the term a Ratio.
Write a Ratio as a fraction.
Write a ratio in its simplest form.
Divide a quantity in a given ratio.

Multiple Choice

Which sentence accurately represents the following ratio:

The ratio of moons to suns is 4 to 8

There are 4 moons for every 8 suns

There are 10 moons for every 2 suns

The ratio of suns to moons is 4:8

Multiple Choice

Patrick has 2 black, 3 red, and 5 white toy cars. What is the ratio of red toy cars to all the toy cars?

3:5

1:3

3:11

3:10

More Examples of Simplifying Ratio

Multiple Choice

A class has 15 boys and 20 girls. What is the boy:girl ratio in simplest form?

4 : 5

10:13

3:5

Multiple Choice

There are 4 birds and 6 snakes. What is the ratio of birds to snakes in its lowest form?

6:4

2:3

1:3

4:10

Multiple Choice

Write the ratio in simplest form.

15 girls to 6 boys

5:2

15:2

5:6

15:6

A Ratio as a Fraction

Equivalent Ratios

Multiple Choice

Equivalent means....

very important

equal to

one

to solve

Multiple Choice

What is an equivalent ratio?

Two or more ratios with the same values

Two or more ratios that equal 1

Two or more ratios that have a denominator of 1

Two or more ratios that have different values

Multiple Select

How can we find equivalent ratios? ( choose 2 answers )

Adding

Dividing

Multiplying

Subtracting

Multiple Select

Find two equivalent ratios for 3 : 4 using multiplication

6 : 8

9 : 12

6 : 12

Multiple Select

Which ratio is equivalent to 12:20?

20:12

3:5

2:3

3:10

Practice

Ratio

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