Rounding Whole Numbers 4.NBT.A.3. 6 3 6 0 Here is 63.Let’s round to the nearest ten.Which digit is...

Rounding Whole Numbers

4.NBT.A.3

6 3

6 0

Here is 63.Let’s round to the nearest ten.Which digit is in the tens place?How many tens are in this number?66The digit to the right is a 3. Should we round up or down?Down. We round up only when this number is 5 or more.So, 63 is nearer to 6 tens ...

Round to the nearest ten.

… or 60.


7 8

8 0

Here is 78.Let’s round to the nearest ten.Which digit is in the tens place?How many tens are in this number?77The digit to the right is an 8. Should we round up or down?Up. We round up when this number is 5 or more.So, 78 is nearer to 8 tens …


… or 80.


2 3 5

2 4 0

Here is 235.Let’s round to the nearest ten.Which digit is in the tens place?How many tens are in this number?233The digit to the right is a 5. Should we round up or down?Up. We round up when this number is 5 or more.So, 235 is nearer to 24 tens …


… or 240.


1 8 2

1 8 0

Here is 182.Let’s round to the nearest ten.Which digit is in the tens place?How many tens are in this number?188The digit to the right is a 2. Should we round up or down?Down. We round up only when this number is 5 or more.So, 182 is nearer to 18 tens …


… or 180.


6 0 0

5 9 8

Here is 598.Let’s round to the nearest hundred.Which digit is in the hundreds place?How many hundreds are in this number?55The digit to the right is a 9. Should we round up or down?Up. We round up when this number is 5 or more.So, 598 is nearer to 6 hundreds …

Round to the nearest hundred.

… or 600.


6,5 0 0

6,4 8 7

Here is 6,487.Let’s round to the nearest hundred.Which digit is in the hundreds place?How many hundreds are in this number?644The digit to the right is an 8. Should we round up or down?Up. We round up when this number is 5 or more.So, the nearest hundred is 65 hundreds …


… or 6,500.


7 3,2 0 0

7 3,2 4 9

Here is 73,249.Let’s round to the nearest hundred.Which digit is in the hundreds place?How many hundreds are in this number?7322The digit to the right is a 4. Should we round up or down?Down. We round up only when this number is 5 or more.So, the nearest hundred is 732 hundreds …


… or 73,200.


5 9,0 0 0

5 8,7 0 4

Here is 58,704.Let’s round to the nearest thousand.Which digit is in the thousands place?How many thousands are in this number?588The digit to the right is a 7. Should we round up or down?Up. We round up when this number is 5 or more.So, the nearest thousand is 59 thousands …

Round to the nearest thousand.

… or 59,000.


2 7 0,0 0 0

2 6 8,8 4 7

Here is 268,847.Let’s round to the nearest ten thousand.Which digit is in the ten thousands place?How many ten thousands are in this number?266The digit to the right is an 8. Should we round up or down?Up. We round up when this number is 5 or more.So, the nearest ten thousand is 27 ten thousands …

Round to the nearest ten thousand.

… or 270,000.



Lightning Round

8 2 6

8 3 0



5,2 7 3

5,3 0 0



2,2 7 8

2,0 0 0

Round to the nearest thousand.


5 1 4,2 8 3

5 1 0,0 0 0

Round to the nearest ten thousand.


Closing Question


3 8,2 7 0

3 8,2 6 5

Here is 38,265.Let’s round to the nearest ten.Which digit is in the tens place?How many tens are in this number?38266The digit to the right is a 5. Should we round up or down?Up. We round up when this number is 5 or more.So, the nearest ten is 3827 tens …


… or 38,270.


Rounding Whole Numbers 4.NBT.A.3. 6 3 6 0 Here is 63.Let’s round to the nearest ten.Which digit is...

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Transcript of Rounding Whole Numbers 4.NBT.A.3. 6 3 6 0 Here is 63.Let’s round to the nearest ten.Which digit is...