6th Grade Math Textbook, Progress

Update your skills. See page 2.

Round Whole Numbers and Decimals

1-5

The rules for rounding are the same for whole

numbers and decimals:

• Find the place you are rounding to.


• Look at the digit to its right. If the digit
  is less than 5,round down.If the digit
  is 5 or greater,round up.

$0.2 2747 
 5

$0.2 3 Round up to $0.23. For decimals, drop all digits to

the right of the place you are rounding to.

$0.2274 rounded to the nearest cent is $0.23.

Remember: Nearest cent

means the hundredths place.

1 cent$0.01

Round $0.2274 to the nearest cent.

0.362 83 4 3 5

0.363 8 Round down to 0.3638. Drop all the digits to the right.

Round 0.362834 to the nearest ten thousandths place.

3 , 1 81,914,536,112 1  5

3 ,000,000,000,000 Round down to 3,000,000,000,000. For whole

numbers, replace each digit to the right of the place

you are rounding to with a zero.

Round 3,181,914,536,112 to its greatest place.

0. 96771 6
   5


1. 0 Round up to 1.0.

Round 0.96771 to its greatest place.

Think

The greatest place

is the trillions.

Think

The greatest place

is the tenths.

When you round a 9 up,

it becomes a 10.

You must regroup.

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