Round Decimals - Grade 5


Videos and solutions to help Grade 5 students learn how to round a given decimal to any place using place value understanding and the vertical number line.




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Rounding Numbers
Lesson Plans and Worksheets for Grade 5
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Common Core For Grade 5

Common Core Standards: 5.NBT.3

New York State Common Core Math Grade 5, Module 1, Lesson 8

Worksheets for Grade 5

The following figure shows how to round 141.999 to the nearest hundred, ten, tenth, and hundredth using the vertical number line. Scroll down the page for more examples and solutions.

Round decimals using vertical number lines
 

NYS Math Module 1 Grade 5 Lesson 8 Concept Development

Problem 1: Round 49.67 to the nearest ten.
Problem 2: Decompose 9.949 and round to the nearest tenth and hundredth. Show your work on a number line.
Problem 3: A decimal number has 1 digit to the right of the decimal point. If we round this number to the nearest whole number, the result is 27. What are the maximum and minimum possible values of these two numbers? Use a number line to show your reasoning. Include the midpoint on the number line.

NYS Math Module 1 Grade 5 Lesson 8 Exit Ticket

  1. Round the quantity to the given place value. Draw number lines to explain your thinking. Circle the rounded value on the number line.
    a. 13.989 to nearest tenth

    b. 382.993 to nearest hundredth.



NYS Math Module 1 Grade 5 Lesson 8 Homework

  1. Round the quantity to the given place value. Draw number lines to explain your thinking. Circle the rounded value on the number line.
    b. 243.875 to nearest tenth, hundredth, ten, and hundred

  2. A decimal number has two digits to the right of its decimal point. If we round it to the nearest tenth, the result is 18.6.
    a. What is the maximum possible value of this decimal? Use words and the number line to explain your reasoning.

  1. A trip from New York City to Seattle is 2,852.1 miles. A family wants to make the drive in 10 days, driving the same number of miles each day. About how many miles will they drive each day? Round you answer to the nearest tenth of a mile.


Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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