Round off numbers

1.4 Round Off Numbers

1.4

Round Off Numbers

We will learn to round whole numbers to the nearest ten thousand.

How to round numbers:

Step 1	Specify the digit that needs to be rounded.

Step 2	Look at the digit to the right of the rounded place value.

Step 3	If the digit is smaller than 5, retain the rounded digit.

	If the digit is bigger than 5, add 1 to the rounded digit.

Step 4	Then, change all the digits on the right of the rounded place value to 0.

EXAMPLE: Round the numbers to the nearest ten thousand.

Number	The digit that needs to be rounded	Explanation	Answer
246 534	6	6 is bigger than 5 so 4 needs to be added 1.	250000
642 679	2	2 is smaller than 5 so 2 should be repealed.	640000

Quick Notes