Common Core: 4th Grade Math : Number & Operations in Base Ten

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

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Example Questions

Example Question #4554 : Numbers And Operations

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 

Example Question #191 : 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 

Example Question #192 : Generalize Place Value Understanding For Multi Digit Whole Numbers

Round  to the nearest thousand.

Possible Answers:

Correct answer:

Explanation:

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

If the number in our hundreds place is  or greater, we round up. If the number in the hundreds place is  or less, we round down. When we round up, the number in the thousands place increases by  and all the other numbers to the right become . When we round down, the number in the thousands 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 #4555 : Numbers And Operations

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 

Example Question #192 : Generalize Place Value Understanding For Multi Digit Whole Numbers

Round  to the nearest thousand.

Possible Answers:

Correct answer:

Explanation:

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

If the number in our hundreds place is  or greater, we round up. If the number in the hundreds place is  or less, we round down. When we round up, the number in the thousands place increases by  and all the other numbers to the right become . When we round down, the number in the thousands 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 #431 : Identifying Place Value

Round  to the nearest thousand.

Possible Answers:

Correct answer:

Explanation:

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

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

In this case,  is equal to  so our rounded number is 

Example Question #193 : Generalize Place Value Understanding For Multi Digit Whole Numbers

Round  to the nearest hundred thousand.

Possible Answers:

Correct answer:

Explanation:

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

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

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

Example Question #194 : Generalize Place Value Understanding For Multi Digit Whole Numbers

Round  to the nearest thousand.

Possible Answers:

Correct answer:

Explanation:

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

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

In this case,  is equal to  so our rounded number is 

Example Question #193 : Generalize Place Value Understanding For Multi Digit Whole Numbers

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 less than  so our rounded number is 

Example Question #194 : 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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