Page 180 - NUMINO TG_6A

11Understand and Use Ratios and Rates Unit

102-B4-1 102-B4-2

Unit Rates (1) e. 72 kilometers in 12 hours f. 18 centimeters in 60 minutes
1. Find each unit rate.
kilometers in 1 hour centimeters in 1 minute
Example
$24 for 4 liters

g. Snail crawled 42 centimeters in h. 16.8 turns in 7 seconds
12 hours

a. 35 miles on 5 gallons b. 42 hits in 20 games

Snail crawled turns in 1 second
centimeters in 1 hour
miles on 1 gallon hits in 1 game

c. 8 goals in 32 games d. $4.95 for 15 ounces

i. Water level rose 42 centimeters in j. $14.49 for 23 ounces
14 hours

goals in 1 game $ for 1 ounce

Water level rose $ for 1 ounce
centimeters in 1 hour

Objective Learn how to find unit rate. Objective Learn how to find unit rate.
Textbook Reference Activity 2 Textbook Reference Activity 2

102-B5-1 102-B5-2

Unit Rates (2) c. A person earns $630 in 1 week. How much does this person earn in 1 day?
1. Solve each word problem.
d. If you buy 5 tennis balls for $20, how much does 1 tennis ball cost?
Example
Ann can walk 6 miles in 2 hours. How far can she walk in 1 hour if she walks e. A spaceship traveled 198 kilometers in 9 minutes. How far did the spaceship
at this rate? traveled in 1 minute?

a. A car can travel 360 miles in 3 hours. How far can the car travel in 1 hour if it
travels at this rate?

b. Salt can be obtained by evaporating seawater. When 50 L of seawater is
evaporated, 400 g of salt can be obtained. How much salt can be obtained
when 1 L of seawater is evaporated?

Objective Learn how to solve unit rate word Objective Learn how to solve unit rate word
problems. problems.

Textbook Reference Activity 2 Textbook Reference Activity 2

6A Unit 11 163