Investigating Rate, Ratio and Proportional Reasoning

Find a ratio equivalent to 35/55:

• 7/11

• 3/5

• 70/100

• 15/25

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

• 10:5

• 10:6

• 6:10

• 10:18

Lin rode her bike 2 miles in 8 minutes. She rode at a constant speed. How far did she travel in 1 minute?

• 8 miles

• 1/4 mile

• 4 miles

• 1 mile

• $3

• $23.25

• $8.73

• $79.75

• $12

• $120

• $221

• $21

The Northwestern huskies had a record of 25 wins and 45 losses.  What was the ratio of wins to losses?

• 9:5

• 5:9

• 5:3

• 3:5

The table shows the weight in pounds of objects on earth compared to objects on the moon.  If an object on earth weighs 42 lbs, what is its weight on the moon?

• 7 lbs

• 12 lbs

• 84 lbs

• 252 lbs

Pencils are $4.00  for 10 pencils.  If the car shown is speeding to bring you a pencil for math class, what is the cost per pencil or the unit rate?   What is the cost for 5 pencils?
Make a ratio table or a proportion to find the answers.

• $0.40 per pencil; $2.00 for five pencils

• $3.24 per pencil; $5.00 for five pencils

• $1.00 per pencil; $5.00 for five pencils

• $1.44 pencil; $5.88 for five pencils

Which is NOT equivalent to 3:5?

• 15:25

• 9:15

• 21:28

• 30:50

What is the missing number in the ratio table?

• 21

• 24

• 27

• 25