Intro to Ratios

What is a Ratio?

• A comparison of two quantities

• A rate with a denominator of one

• A fraction written in simplest form

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A ratio can be written as all the ways below EXCEPT which one?

• 3=4
• 3:4
• 3/4
• 3 to 4

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of red apples to green apples

• 7 apples to 3 green
• 4 red apples to 7 apples
• 4 red apples to 3 green apples
• 3 green apples to 4 red apples

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which represents the relationship of oranges to fruit?

• 2:6
• 2:4
• 4:6
• 4:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following is NOT a ratio?

• 12 girls to 8 boys

• 5 miles

• 7 cookies/15 desserts

• 3 trumpet players: 8 tuba players

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Is the following ratio part to part or part to whole?
5 out of 23 kids in a class play trumpet

• Part to part
• Part to whole

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Select all of the statements that accurately describe this diagram.

• The ratio of cups of white paint to cups of green paint is 2 to 4.

• For every cup of green paint, there are two cups of white paint.

• The ratio of cups of green paint to cups of white paint is 4 : 2.

• For every cup of white paint, there are two cups of green paint.

• The ratio of cups of green paint to cups of white paint is 2 : 4.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2