Common Core: 3rd Grade Math : Round Numbers to the Nearest Ten or Hundred: CCSS.Math.Content.3.NBT.A.1

Study concepts, example questions & explanations for Common Core: 3rd Grade Math

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Example Questions

Example Question #1 : Understanding Place Value And Properties Of Operations For Multi Digit Arithmetic

What is  rounded to the nearest hundred? 

 

 

Possible Answers:

Correct answer:

Explanation:

When we round a number to the hundreds place we look to our 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 become . When we round down, the number in the hundreds place stays the same and all the other numbers become .

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

Example Question #1 : Number & Operations In Base Ten

What is  rounded to the nearest hundred? 

 

 

Possible Answers:

Correct answer:

Explanation:

When we round a number to the hundreds place we look to our 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 become . When we round down, the number in the hundreds place stays the same and all the other numbers become .

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

Example Question #2 : Number & Operations In Base Ten

What is  rounded to the nearest hundred? 

 

 

 

Possible Answers:

Correct answer:

Explanation:

When we round a number to the hundreds place we look to our 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 become . When we round down, the number in the hundreds place stays the same and all the other numbers become .

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

Example Question #2 : Number & Operations In Base Ten

What is  rounded to the nearest hundred? 

 

Possible Answers:

Correct answer:

Explanation:

When we round a number to the hundreds place we look to our 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 become . When we round down, the number in the hundreds place stays the same and all the other numbers become .

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

Example Question #3 : Round Numbers To The Nearest Ten Or Hundred: Ccss.Math.Content.3.Nbt.A.1

What is  rounded to the nearest hundred? 

 

 

Possible Answers:

Correct answer:

Explanation:

When we round a number to the hundreds place we look to our 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 become . When we round down, the number in the hundreds place stays the same and all the other numbers become .

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

Example Question #4 : Round Numbers To The Nearest Ten Or Hundred: Ccss.Math.Content.3.Nbt.A.1

What is  rounded to the nearest hundred? 

 

 

 

Possible Answers:

Correct answer:

Explanation:

When we round a number to the hundreds place we look to our 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 become . When we round down, the number in the hundreds place stays the same and all the other numbers become .

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

Example Question #1 : Round Numbers To The Nearest Ten Or Hundred: Ccss.Math.Content.3.Nbt.A.1

What is  rounded to the nearest hundred? 

 

 

 

Possible Answers:

Correct answer:

Explanation:

When we round a number to the hundreds place we look to our 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 become . When we round down, the number in the hundreds place stays the same and all the other numbers become .

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

Example Question #6 : Round Numbers To The Nearest Ten Or Hundred: Ccss.Math.Content.3.Nbt.A.1

What is  rounded to the nearest hundred? 

 

 

 

Possible Answers:

Correct answer:

Explanation:

When we round a number to the hundreds place we look to our 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 become . When we round down, the number in the hundreds place stays the same and all the other numbers become .

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

Example Question #5 : Round Numbers To The Nearest Ten Or Hundred: Ccss.Math.Content.3.Nbt.A.1

What is  rounded to the nearest hundred? 

 

 

 

Possible Answers:

Correct answer:

Explanation:

When we round a number to the hundreds place we look to our 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 become . When we round down, the number in the hundreds place stays the same and all the other numbers become .

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

Example Question #6 : Round Numbers To The Nearest Ten Or Hundred: Ccss.Math.Content.3.Nbt.A.1

What is  rounded to the nearest hundred? 

 

 

 

Possible Answers:

Correct answer:

Explanation:

When we round a number to the hundreds place we look to our 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 become . When we round down, the number in the hundreds place stays the same and all the other numbers become .

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

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