Student Handouts
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Unit 4, Section C
Let’s Put It to Work
Grade 5
Practice
Problem 1
There are 418 students at a school. Han estimates that each student drinks about 5 glasses of water in one day.
- About how many glasses of water do all of the students drink in one day?
- About how many glasses of water do all of the students drink in one week?
- About how many glasses of water do all of the students drink in one month?
- About how long does it take all of the students to drink 1,000,000 glasses of water?
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Problem 2
Colorado is 610 kilometers long and 450 kilometers wide.
- New Mexico is about 596 kilometers long and 552 kilometers wide. Is the area of Colorado greater than or less than the area of New Mexico? Explain your reasoning.
- What is the area of Colorado?
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Problem 3
A large cargo ship carries between 10,000 and 15,000 shipping containers. About how many cargo ships are needed to carry the 210,000 containers of plastic the U.S. ships for recycling each year? Explain or show your reasoning.
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Problem 4
Exploration
Han reads that the length of Florida is 721 kilometers and its width is 582 kilometers. Han says, "Florida is larger than New Mexico!" Do you agree? Explain or show your reasoning.
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Problem 5
Exploration
The Pentagon has 5 floors. The Empire State Building has 102 floors. Noah says that the Empire State Building is larger. Do you agree? Explain how you know.
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