Unit 3: Investigating Rate, Ratio and Proportional Reasoning

Melissa drives 238 miles in 5 hours. What is her average rate of speed?

• 40 MPH
• 46 MPH
• 48 MPH
• 50 MPH

Are the ratios proportional?
3/4 and 24/32

• yes
• no

Are the ratios proportional?
10/12 and 20/32

• yes
• no

Find a ratio equivalent to 35/55:

• 7/11
• 3/5
• 70/100
• 15/25

A recipe calls for 2 eggs to make 10 pancakes. How many eggs will you need to make 40 pancakes?

• 4 eggs
• 8 eggs
• 12 eggs
• 16 eggs

What is the ratio of shaded squares to not shaded squares?

• 10:5

• 10:6

• 6:10

• 10:18

What is the cost of 1 gallon of gas if you pay $31.20 for 15 gallons of gas? Hint: What is the unit rate?

• $1.95

• $0.15

• $2.08

• $10.00

• Yes

• No

If there are 12 pencils per pack. How many packs would we need to buy for 108 pencils?

• 10 packs

• 4 packs

• 8 packs

• 9 packs

2.) Find the unit rate:  395 miles in 5 hours

• 75 miles per hour
• 71 miles per hour
• 79 miles per hour
• 72 miles per hour