Page 176 - NUMINO TG_6A
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11Three Apples, Five Oranges Unit
CMath Vo abulary rate: a comparison of two quantities with different units of measure
unit rate: a rate in which the second term is 1 unit
Have students solve the word problems by finding the unit rate first. 2. Have students solve the word problems by
finding the unit rate first. Pay attention to the
2 . Solve the word problems. wording in each problem to determine the unit
of measure.
a. Thomas can walk 10 miles in 2 hours. If he continues to walk at this rate,
how many miles can he walk in 1 hour? 2a.
Understand the Question
Thomas can walk 10 miles in 2 hours, so Q: What to you need to find?
A: How many miles can Thomas walk in 1
unit rate = 10 miles = 5 miles in 1 hour. hour.
2 hours Q: Read the problem again. What do you
already know?
5 miles A: Thomas can walk 10 miles in 2 hours.
Plan the Process
b. Ryan traveled 50 miles in days. If Ryan travels at the same rate, how Q: How will you solve the problem?
many miles can he travel in 1 day? A: Find the unit rate.
Solve the Problem
unit rate = 50 miles = 12.5 miles in 1 day. 10 miles = 5 miles in 1 hour
4 days 2 hours
12.5 miles Look Back
Q: Does your answer make sense?
c. A car can go 20 miles in 10 minutes. If the car continues to go at the same
rate, how long does it take to go 1 mile?
unit rate = 10 minutes = 0.5 minute to go 1 mile.
20 miles
0.5 minute
11. Three Apples, Five Oranges 97
Unit Rates
Example: If Harry eats 20 hot dogs in 5 minutes, how many minutes does it take for him to eat 1 hot dog?
Step 1: Set up an equation.
minutes 5
hotdog 20
Step 2: Reduce to a decimal.
5 0.25
20
Step 3: Write correct units.
0.25 minutes per 1 hot dog
6A Unit 11 159
CMath Vo abulary rate: a comparison of two quantities with different units of measure
unit rate: a rate in which the second term is 1 unit
Have students solve the word problems by finding the unit rate first. 2. Have students solve the word problems by
finding the unit rate first. Pay attention to the
2 . Solve the word problems. wording in each problem to determine the unit
of measure.
a. Thomas can walk 10 miles in 2 hours. If he continues to walk at this rate,
how many miles can he walk in 1 hour? 2a.
Understand the Question
Thomas can walk 10 miles in 2 hours, so Q: What to you need to find?
A: How many miles can Thomas walk in 1
unit rate = 10 miles = 5 miles in 1 hour. hour.
2 hours Q: Read the problem again. What do you
already know?
5 miles A: Thomas can walk 10 miles in 2 hours.
Plan the Process
b. Ryan traveled 50 miles in days. If Ryan travels at the same rate, how Q: How will you solve the problem?
many miles can he travel in 1 day? A: Find the unit rate.
Solve the Problem
unit rate = 50 miles = 12.5 miles in 1 day. 10 miles = 5 miles in 1 hour
4 days 2 hours
12.5 miles Look Back
Q: Does your answer make sense?
c. A car can go 20 miles in 10 minutes. If the car continues to go at the same
rate, how long does it take to go 1 mile?
unit rate = 10 minutes = 0.5 minute to go 1 mile.
20 miles
0.5 minute
11. Three Apples, Five Oranges 97
Unit Rates
Example: If Harry eats 20 hot dogs in 5 minutes, how many minutes does it take for him to eat 1 hot dog?
Step 1: Set up an equation.
minutes 5
hotdog 20
Step 2: Reduce to a decimal.
5 0.25
20
Step 3: Write correct units.
0.25 minutes per 1 hot dog
6A Unit 11 159
