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Numbers And Operations In Base Ten: Rounding Decimals CCSS 5.NBT.4 Facts & Worksheets

Rounding decimals is a relatively straightforward process and is very much similar to the process of rounding whole numbers.

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Worksheets /Math /Grade 5 (ages 10-11) /Numbers And Operations In Base Ten: Rounding Decimals CCSS 5.NBT.4 Facts & Worksheets

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Numbers and Operations in Base Ten Rounding Decimals 5.NBT.4 Worksheets
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Rounding decimals is a relatively straightforward process and is very much similar to the process of rounding whole numbers. There are two ways one can round decimals: (1) through the use of a Number Line, and (2) by looking at the Place Values.

See the fact file below for more information on the rounding decimals or alternatively, you can download our 27-page Numbers And Operations In Base Ten: Rounding Decimals CCSS 5.NBT.4 worksheet pack to utilise within the classroom or home environment.

Key Facts & Information

LEARNING OBJECTIVE:

  • At the end of the lesson, students will be able to round up or round down decimals based on the place value digits and their position on the number line.

A NOTE FOR THE TEACHER

  • When rounding decimals, take note of the following:
    • If confused, writing a NUMBER LINE and/or using PLACE VALUES can help.
    • Take note of the place value that is being asked to be rounded.
    • Always check the digit to the RIGHT of the digit in the place value that is being rounded.

THEORY:

  • Rounding decimals is a relatively straightforward process and is very much similar to the process of rounding whole numbers. There are two ways one can round decimals: (1) through the use of a Number Line, and (2) by looking at the Place Values.
  • Take, for example, 8.38 and 8.81, and we are asked to round both to the nearest tenths and ones. On the number line, these are plotted as follows:

  • From the number line, it can be seen that 8.38 is closest to the tenth value 8.4. Thus, we can conclude that 8.38 rounded to the nearest tenth is 8.4
  • We can also see that 8.81 is closest to the tenth value 8.8. Thus, we can conclude that 8.81 rounded to the nearest tenth is 8.8.
  • The whole numbers present on the number line are 8 and 9. It can be seen that 8.38 is closest to the ones digit 8, while 8.81 is closest to the ones digit 9. Thus, we can conclude that 8.38 rounded to the nearest ones is 8, while 8.81 rounded to the nearest ones is 9.
  • Decimals can also be rounded off by using the place values. If we’re being asked to round off to a place value, say the nearest tenths, we simply look at the place value to the right; so if we’re looking for the nearest tenths, we look at the digit in the hundredths. If the digit to the right is 5 or greater, then we round up, but if the digit is less than 5, then we round down.
  • In the above example, 8.38 rounded to the nearest tenth is 8.4 since the digit to the right of the tenths is 8, which is greater than 5; thus we rounded up.

Numbers And Operations In Base Ten: Rounding Decimals CCSS 5.NBT.4 Worksheets

This is a fantastic bundle that includes everything you need to know about Numbers And Operations In Base Ten: Rounding Decimals across 27 in-depth pages. These are ready-to-use worksheets that align with the Common Core CCSS code 5.NBT.4 for Numbers And Operations In Base Ten: Rounding Decimals.

Table of contents

  • A lesson plan
  • Warm up activity
  • Math theory explained
  • Assisted learning activities
  • Independent learning activities
  • Extension activities and games
  • Answer keys

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Use With Any Curriculum

These worksheets have been specifically designed for use with any international curriculum. You can use these worksheets as-is, or edit them using Google Slides to make them more specific to your own student ability levels and curriculum standards.

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