What Is It?
A comparison of two quantities.
What is a ratio?
24 cookies in 3 bags.
What is 8 cookies per bag?
A car travels 30 miles per hour. How far in 4 hours?
What is 120 miles?
3/4 = x/12
9
8 cookies per bag
16 cookies per 2 bags
24 cookies per 3 bags
30 cookies per 4 bags
What is 30 cookies per 4 bags?
A ratio that compares quantities with different units.
What is a rate?
48 miles in 6 hours.
What is 8 miles per hour?
A machine makes 8 bottles per minute. How many in 10 minutes?
What is 80 bottles?
5/6 = x/24
20
10 miles per hour
20 miles per 2 hours
30 miles per 3 hours
50 miles per 4 hours
What is 50 miles per 4 hours?
A rate where the second quantity equals 1.
What is a unit rate?
$60 for 5 movie tickets.
What is $12 per ticket?
A runner runs 6 miles per hour. How far in 3 hours?
What is 18 miles?
2/3 = x/18
12
$2 per pound
$6 for 3 pounds
$8 for 4 pounds
$10 for 6 pounds
What is $10 for 6 pounds?
An equation that shows two ratios are equal.
What is a proportion?
720 calories in 8 servings.
What is 90 calories per serving?
A printer prints 15 pages per minute. How many in 8 minutes?
What is 120 pages?
4/5 = x/25
20
3/4
6/8
9/12
8/12
What is 8/12?
If 90 miles are driven in 3 hours, the unit rate describes this quantity.
What is miles per hour?
1080 miles using 15 gallons of gas.
What is 72 miles per gallon?
A car drives 45 miles per gallon. How far on 7 gallons?
What is 315 miles?
6/7 = x/21
18
45 miles per gallon
90 miles per 2 gallons
135 miles per 3 gallons
200 miles per 4 gallons
What is 200 miles per 4 gallons?