Ratios Unit Rates and Percents with Double Number Lines

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

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

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

Ratios can be represented as... (Select ALL answers that apply!)

• A/B

• A to B

• A : B

Will spent $3.75 for 3 pounds of gummy bears. What is his unit rate in dollars per pound?

• $1.25 per pound

• $1 per pound

• $2 per pound

• $1.50 per pound

A store has 120 customers in 6 hours. What is the unit rate in customers per hour?

• 16 customers per hour

• 12 customers per hour

• 20 customers per hour

• 15 customers per hour

A rate is a ratio that compares

• A part to a part

• A part to a whole

• Quantities with different units

• Quantities with the same units

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

Complete the ratio table

• 10, 35

• 12, 41

• 10, 41

• 10, 45

In the Madison Middle School band, the ratio of girls to boys is 4 to 5. If there are 63 total students in the band, how many of them are girls? (HINT! Use a ratio table to help you!!)

• 35

• 28

• 9

• 21