Introduction to Ratios

Ratio and Proportion 1

Number and Operations — Grade 6

Introduction to Ratios

Ratio and Proportion 2

Please turn your Mad

Minute folder to the

appropriate page.

Please open your agenda to show

me your completed homework.

Introduction to Ratios

Ratio and Proportion 3

I can write a ratio to describe a

set of objects or situations.

I can draw a picture to match a

quantity written as a ratio.

Introduction to Ratios

Ratio and Proportion 4

A ratio compares

quantities and

numbers.

How do I write a ratio?

1. In words using "to":

2. Using a : (colon):

3. Using a fraction bar:

Introduction to Ratios

Ratio and Proportion 5

Three Ratio Types

There are three

types of ratios.

1. Part to Part

2. Part to Whole

3. Unit Rate

Introduction to Ratios

Ratio and Proportion 6

2 to 5

5 to 2

Introduction to Ratios

Ratio and Proportion 7

Introduction to Ratios

Ratio and Proportion 8

Introduction to Ratios

Ratio and Proportion 9

Introduction to Ratios

Ratio and Proportion 10

Introduction to Ratios

Ratio and Proportion 11

1. Tour the room and write at least one ratio in

your math journal about each pictures you see.

2. Use a variety of the three ways of writing a ratio.

5 to 2 5:2 5/2

3. If you finish early, see if you can find another

ratio that you didn't catch before! Each picture

can have at least 5 ratios written about it!

Introduction to Ratios

Ratio and Proportion 12

1. Write three ratios which describe this picture.

2. Draw a simple picture which matches the ratio 4:3.