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Round off numbers
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
24
6
534
6
6 is bigger than 5 so 4 needs to be added 1.
250000
64
2
679
2
2 is smaller than 5 so 2 should be repealed.
640000
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
24
6
534
6
6 is bigger than 5 so 4 needs to be added 1.
250000
64
2
679
2
2 is smaller than 5 so 2 should be repealed.
640000
Chapter : Numbers and Operations
Topic : Round off numbers
Year 4
Mathematics
View all notes for Mathematics Year 4
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Usage of Unknown
Problem Solving
Fractions
Decimals
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