Ratios and Rates

What is a Ratio?

• A comparison of two quantities

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one

• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A rate where the denominator is 1 is called a ___________.

• Fraction

• Rate

• Unit Rate

• Ratio

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following is NOT a unit rate?

• ^{2 cars}

  1 lane

• 45 miles per hour

• 27 sandwiches in 3 weeks

• 2 tanks of gas

  1 yard

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute
• 100 words per minute
• 400 words per minute
• 412 words per minute

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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

• 6/4

• 2/3

• 1/3

• 10/16

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Simplify the ratio of

35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 1:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of red apples to green apples?

• 7 to 3

• 4 to 7

• 4 to 3

• 3 to 4

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 13 boys and 12 girls in math class. What is the ratio of girls to all students?

• 13:12

• 12:25

• 25:13

• 12:13

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which ratio is equivalent to 5/9?

• 10/36

• 9/5

• 10/18

• 5/18

Tags

CCSS.6.RP.A.3A