Rounding Decimals (Adventure Themed) Worksheets

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Definition

  • Rounding is making a number less complicated but keeping its value close to what it was.
  • Rounding off makes the result  less accurate, but easier to use.
  • It makes calculation a lot easier to do and results easier to understand, given that the exact values are not too important.

Summary

When rounding off decimals to the tenth…

To round a number to the nearest tenth, look at the next place value to the right (the hundredths). If it’s 4 or less, just remove all the digits to the right. If it’s 5 or greater, add 1 to the digit in the ones place, and then remove all the digits to the right.

Examples: 
Round off 56.584 and 19.409 to the nearest tenth. 

56.584             56.59 

19.409             19.40

When rounding off decimals to the hundredth…

To round a number to the nearest hundredth , look at the next place value to the right (the thousandths). If it’s 4 or less, just remove all the digits to the right. If it’s 5 or greater, add 1 to the digit in the ones place, and then remove all the digits to the right.

Examples: 

Round off 0.129 and 0.982 to the nearest hundredth. 

0.129             0.13 
0.982             0.98

When rounding off decimals to the thousandth…

To round a number to the nearest thousandth , look at the next place value to the right (the ten thousandths). If it’s 4 or less, just remove all the digits to the right. If it’s 5 or greater, add 1 to the digit in the ones place, and then remove all the digits to the right.

Rounding Decimals (Adventure Themed) Worksheets

This is a fantastic bundle which includes everything you need to know about Rounding Decimals across 21 in-depth pages.

Each ready to use worksheet collection includes 10 activities and an answer guide. Not teaching common core standards? Don’t worry! All our worksheets are completely editable so can be tailored for your curriculum and target audience.

Resource Examples

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Worksheets Activities Included

Ages 9-10 (Basic)

  • Life in the Forest
  • Adventure Under the Sea
  • Enjoy Life with Mountains
  • Looking for Directions
  • Camp Fire

Ages 10-11 (Advanced)

  • Along the Riverbanks
  • Compass Point
  • I am Sailing
  • Skydiving
  • Adventure Moments