Ratios and Proportions

Ratios

100

There are 10 blue marbles, 3 red marbles, and 17 white marbles. What is the ratio of blue marbles to red marbles?

What is 10:3

Rates

100

Find the unit rate: Eric runs 10 miles in 2 hours.

What is 5 miles per hour

Equivalent Proportions

100

Does 5/8 = 7/14 ?

What is no?

Proportions

100

2/5 = x/35

What is 14?

200

w/42 = 6/7

What is 36?

300

17/34 = 7/t

What is 14?

Indirect Measurements

100

Eight oranges cost $1.00. How much will 5 dozen oranges cost?

What is $7.50?