Ratios and Rates

What is a Ratio?

• Is 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

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes
• 9 minutes
• 16 minutes
• 18 minutes

Tags

CCSS.6.RP.A.3B

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

• 4 to 5
• 10 to 13
• 3:4
• 3:5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

If 30 kids in the class like grape juice, how many kids like pineapple juice?  Use the tape diagrams to answer.

• 4
• 30
• 70
• 40

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 75 pieces of candy in a 15 oz bag.
How many pieces are there per ounce?

• 5 pieces
• 0.2 pieces
• 50 pieces
• 60 pieces

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of green marbles to red marbles?

• 3/2
• 3/1
• 3/3
• 2/3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

$15 for 5 pairs of socks; $25 for 10 pairs of socks

• yes, equivalent
• no, not equivalent

Tags

CCSS.6.EE.A.4

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Daniel bought 2 pairs of jeans for $50 and Howard bought 4 pairs of jeans for 90$.  Did they pay the same rate?  

• yes, equivalent
• no, not equivalent

Tags

CCSS.6.RP.A.3B

Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins.  

• yes, equivalent
• no, not equivalent

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3