Rounding Whole Numbers and Decimals (Basketball 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

𝛑 is an irrational number that defined as the ratio of a circle’s circumference to its diameter. This value is commonly rounded off to nearest hundredths for convenient use. 

RULES IN ROUNDING DECIMALS

  • Know which is the last digit to retain
  • It doesn’t need to change any if the next digit is less than 5 (0 to 4) . This is called rounding down.
  • But add 1 if the next digit is 5 or more (5 to 9) . This is called rounding up.

When rounding off decimals to the nearest whole number:

To round a number to the nearest whole number , look at the next place value to the right of the decimal point (the tenths). 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.

Round off 130.58 and 278.15 to the nearest whole number. 

130.58 — the basis for rounding off is the tenths digit. 

Since the tenth digit is 5, we should add 1 to      130 and the answer will be 131. 

278.15 — the basis for rounding off is the tenths digit.  Since the tenth digit is 1, we just remove the  the digits to the right of the decimal point. The   answer is 278. 

RULES IN ROUNDING DECIMALS

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.

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.

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 Whole Numbers and Decimals (Basketball Themed) Worksheets

This is a fantastic bundle which includes everything you need to know about Rounding Whole Numbers and 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 8-9 (Basic)

  • It’s a Basketball Day
  • HWM Basketball Team
  • Who Is The Best Scorer?
  • The King of Rebounds
  • Earl: The Playmaker

Ages 9-10 (Advanced)

  • The Team Stats
  • It’s Training Time
  • Coach Phil’s Game Plan
  • The MVP
  • An Interview with a BBall Player