Estimate Liquid Volume

Examples, solutions, and videos to help Grade 3 students learn how to estimate and measure liquid volume in liters and milliliters using the vertical number line.

Common Core Standards: 3.NBT.2, 3.MD.2, 3.NBT.8

New York State Common Core Math Grade 3, Module 2, Lesson 10

Download Worksheet for Common Core Grade 3, Module 2, Lesson 10

The following worksheet teaches how to estimate and measure liquid volume in liters and milliliters using the vertical number line. Scroll down the page for more examples and solutions.

 

Application Problem
Subha drinks 4 large glasses of water each day.
How many large glasses of water does she drink in 7 days?

Note: This problem activates prior knowledge about solving multiplication word problems using units of 4. It is designed to lead into a discussion of liquid volume in the Concept Development.

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Concept Development
Part 1: Create a vertical number line marked at 100 mL intervals.
Part 2: Use the vertical number line to estimate and precisely measure liquid volume.

Problem Set

1. Label the vertical number line on the container to the right. Answer the questions below.
   a. What did you label at the halfway mark? Why?
   b. Explain how pouring each cup of water helped you create a vertical number line.
   c. If you pour out 300 mL of water, how many mL are left in the container?
   
   
2. Estimate the amount of liquid in each container to the nearest milliliter.
   
   
3. Kristen is comparing the capacity of gas tanks of cars.
   Use the chart below to answer the questions.
   a. Label the number line to show the capacity of each gas tank. The medium car has been done for you.
   b. Which car’s gas tank has the greatest capacity?
   c. Which car’s gas tank has the least capacity?

Lesson 10 Homework

1. How much liquid is in each container?
2. Jon pours the contents of Container 1 into Container 3. How much liquid is in Container 3 after he pours the liquid?
3. Estimate the amount of liquid in each container to the nearest liter.
4. Kristen is comparing the capacity of gas tanks of cars.
   Use the chart below to answer the questions.
   a. Label the number line to show the capacity of each gas tank. The medium car has been done for you.
   b. Which car’s gas tank has the greatest capacity?
   c. Which car’s gas tank has the least capacity?
   d. Kristen’s car has a gas tank capacity of about 60 liters.
   Which car from the chart has about the same capacity as Kristen’s car?
   e. Use the number line to find how many more liters the large car’s tank holds than the small car’s tank.

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