Common Core: 4th Grade Math : Round Multi-Digit Numbers: CCSS.Math.Content.4.NBT.A.3

Study concepts, example questions & explanations for Common Core: 4th Grade Math

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Example Questions

Example Question #557 : How To Find The Part From The Whole

Round  to the nearest ten.

Possible Answers:

Correct answer:

Explanation:

When we round a number to the nearest ten we look to the ones place to tell us if we round up or down.

If the number in our ones place is  or greater, we round up. If the number in the ones place is  or less, we round down. When we round up, the number in the tens place increases by  and all the other numbers to the right become . When we round down, the number in the tens place stays the same and all the other numbers to the right become .

In this case,  is greater than  so our rounded number is 

Example Question #202 : Generalize Place Value Understanding For Multi Digit Whole Numbers

Round  to the nearest hundred.

Possible Answers:

Correct answer:

Explanation:

When we round a number to the nearest hundred we look to the tens place to tell us if we round up or down.

If the number in our tens place is  or greater, we round up. If the number in the tens place is  or less, we round down. When we round up, the number in the hundreds place increases by  and all the other numbers to the right become . When we round down, the number in the hundreds place stays the same and all the other numbers to the right become .

In this case,  is less than  so our rounded number is 

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