Ratio Rates and Proportional Reasoning

How are rates and unit rates similar?

• They both are fractions.

• They both compare two different quantities of information.

• They are not similar at all.

• not here

A unit rate is a ratio in fraction form that has a _____________________________ of 1.

• numerator

• bottom number

• fraction

• denominator

A rate is a ratio that compares 2 different_______________________________.

• people

• units/measurements

• fractions

• denominators

Which of the following is a UNIT RATE?

• 10 miles / 2 hours

• $6 for each hour

• 1 box / $3

• 15 pounds every 5 servings

The pet shop has 2 dogs, 4 cats, and 5 hamsters. What is the ratio of dogs to all pets?

• 2:4

• 2:5

• 2:11

• 11:2

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour

• $12 per hour

• $192 per hour

• $25 per hour

Charles can type 675 words in 9 minutes. How many words can he type per minute?

• 75 words per minute

• 6075 words per minute

• 86 words per minute

• 75 minutes per word

Find the constant of proportionality in the equation y = 3x.

• 3

• 1

• 4

• 2

Solve the proportion: 3/5 = x/15.

• 2

• 9

• 6

• 12

What is a proportional relationship?

• A proportional relationship is a relationship between two variables where their sum is constant.

• A proportional relationship is a relationship between two variables where their ratio is random.

• A proportional relationship is a relationship between two variables where their difference is constant.

• A proportional relationship is a relationship between two variables where their ratio is constant.