Ratios, Rates, Fractions, Decimals

In a room, there are 8 boys to 12 girls.  What is the ratio of girls to boys?

• 8 : 20
• 12 to 20
• 3 to 2
• 4/6

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A pet store has 8 dogs, 12 turtles, and 3 cats.  What does the ratio 8 : 23 compare?

• cats to turtles
• dogs to all animals
• dogs to cats
• turtles to all animals

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

If Jack earns $46.80 for 6 hours of work, what is his rate of pay?

• $6.80 per hour
• $46.80 per week
• $62.00 per day
• $7.80 per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following describes a unit rate?

• 13 pounds per 12 inches
• 15 fish per 12 gallons
• 24 hours per day
• 55 miles in 3 hours

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.1

What is a Ratio?

• Is a comparison of two quantities 
• To multiply two fractions 
• A number over another number
• Two decimals that can be multiplied

A comparison of two quantities (amounts)

• Ratio
• Proportion
• Rate
• Multiplicative Relationship 

What is unit rate?

• A comparison of 2 values.

• A rate with a denominator as 1.

• A rate with a denominator as 10.

• A rate that shows you how much you pay per dollar.

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

What is unit price?

• A comparison of 2 quantities (values).

• A rate with a denominator as 1.

• A rate with a denominator as 10.

• A rate that shows you how much you pay per dollar.

It takes a machine 18 minutes to fill 300 packages of candy. At this rate, how many minutes will it take the machine to fill 500 packages of candy?

• 30 minutes

• 32 minutes

• 33 minutes

• 35 minutes

Tags

CCSS.6.RP.A.3B