Homework Problems
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Quick Look
Vocabulary words introduced in this cycle:
ratio, equivalent ratios, rate, per, unit rate, unit price, pattern
Today we learned to write rates and unit rates. Rates are a type of ratio that compares two different
units of measure. Unit rates are a type of rate that compares a quantity to 1 unit of another measure.
For example:
Leslie pays $2.68 for every 4 pounds of bananas.
The rate:
or $2.68 for every 4 pounds.
To find the unit rate, or the cost for 1 pound, we divide parts of the rate by 4:
=
or $0.67 per pound
1) Mr. Jay paid $99 for 10 hours of work.
a. At what rate did Mr. Jay pay for work? Write in words and as a ratio.
b. Write a unit rate to describe how much Mr. Jay paid for 1 hour of work.
2) It took Regina 4 minutes to complete 2 homework problems.
a. At what rate does Regina complete homework problems? Write in words and as a ratio.
!
PowerTeaching Math 3rd Edition
© 2014 Success for All Foundation
Level 6 Unit 5 Cycle 1 Lesson 3
Homework Problems
11
b. Write a unit rate to describe how long it takes Regina to do 1 homework problem.
3) Simon ran 13 miles in 104 minutes.
a. At what rate did Simon run? Write in words and as a ratio.
b. Write the unit rate to describe how far Simon ran in 1 minute.
4) It took Adia 27 minutes to read 2 chapters. Use a ratio to describe her rate. How long would it take
her to read 4 chapters? Explain your thinking.
5) Antonio paid $3.18 for 1 gallon of milk. Explain what the rate means in words.
Mixed Practice
8) Write an integer to describe a withdrawal of
$50 from a bank account.
9) Multiply.
10) Find the least common multiple of 8 and 14.
11) Use mental math to find the product.
!
=
940 ! 8
Word Problem
101) It cost Abby $345 to stay in a hotel for 3 nights. Write a unit rate to describe how much it cost her
per night. Explain your thinking.
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PowerTeaching Math 3rd Edtition
© 2014 Success for All Foundation
Level 6 Unit 5 Cycle 1 Lesson 3
Homework Problems