Ratios & Unit Rates Lesson

Ratios & Unit Rates

L. Mitchell​

Is finding the missing rate for one thing. For Example: He's paid 25 dollars every 1 hour is the same as 25 dollars per hour.

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Unit Rate

is a comparison of two quantities that have

different units, 25 dollars

per hour.

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Unit Rate & Ratios

Rate

Ratios

shows the relative sizes of

two or more values.​

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Ratios Examples

Ratios can be shown in different ways:

• using the : to separate example values (1:3 (for every one boy there are 3 girls)

• using the / to separate one value from the total (1/4 are boys and 3/4 are girls

• as a decimal, after dividing one value by the total ( 0.25 boys (by dividing 1 by 4)

• as a percentage, after dividing one value by the total​ (25% are boys (0.25 as a percentage)

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Subject | Subject

Unit Rate Examples

​

• $3.29 per square foot

• 30 students per class

• 15 dogs per shelter

How To Solve :Unit Rate

​The Easiest Way To Solve for Unit Rates is to Simply Divide the Unit Values.

​Example:

​John Drove 90 miles in 3 hours. How many miles did he travel per hour?

• 90 divided by 3 = 30​

• the Unit Rate would be 30 Miles per Hour​

Subject | Subject

Some text here about the topic of discussion

How To Solve : Ratios

​The Easiest Way To Solve for Unit Rates is to Simply Divide the Unit Values.

​Example:

​John Drove 90 miles in 3 hours. How many miles did he travel per hour?

• 90 divided by 3 = 30​

• the Unit Rate would be 30 Miles per Hour​

Subject | Subject

Some text here about the topic of discussion

Open Ended

1. What is the Ratio Of Baseballs to Basketballs?

2. What is the Ratio Of Basketballs to Baseballs?

3. What is the Ratio Of Baseballs to Total Balls?

4. What is the Ratio Of Basketball to Total Balls?

*Use : form ( example 2:3)