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BELL RINGER 1. What is the value of the 6 in 306,899? 68 +48 3. What is 100 less than 3,011 4. What is six hours aft - PowerPoint PPT Presentation


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BELL RINGER 1. What is the value of the 6 in 306,899? 68 +48 3. What is 100 less than 3,011 4. What is six hours after 2 p.m.?. 6,000. 116. 2,911. 8 p.m. PLACE VALUE REVIEW. Find the place value for the digit 7. 46,971. 649,752. 268,317. 726,468. 572,163. hundred-thousand.

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  • BELL RINGER

  • 1. What is the value of the 6 in 306,899?

  • 68

  • +48

  • 3. What is 100 less than 3,011

  • 4. What is six hours after 2 p.m.?

6,000

116

2,911

8 p.m.


PLACE VALUE REVIEW

Find the place value for the digit 7.

46,971

649,752

268,317

726,468

572,163

hundred-thousand

ten-thousand

hundreds

ones

tens



The rounding chant
THE ROUNDING CHANT

Find your place! Underline the digit.

Look next door.

If it’s 5 or higher, add 1 more.

If it’s 4 or lower, just ignore.


Round this number to the nearest ten thousand
Round this number to the nearestten thousand.

Find your place.. Underline the digit.

3 6 8,9 7 1

Underline the number in the ten

thousands place.


Round this number to the nearest ten thousand1
Round this number to the nearestten thousand.

Look next door.

3 6 8,9 7 1

Draw an arrow to the right of the

number.


Round this number to the nearest ten thousand2
Round this number to the nearestten thousand.

If it’s 5 or higher, add 1 more!

3 6 8,9 7 1

If it’s 4 or lower, just ignore.


Round this number to the nearest ten thousand3
Round this number to the nearestten thousand.

5 or higher, add 1 more. 8 is larger than four, so you add one more!

+1

3 6 8,9 7 1

Add 1 to the 6.


Round this number to the nearest ten thousand4
Round this number to the nearestten thousand.

5 or higher, add 1 more.

3 70,0 0 0

Add 1 to the 6 and all the numbers

to the right of the 7 become 0’s.


The answer
The Answer

368,971 rounded to the nearest ten thousand is

3 7 0,0 0 0


Round this number to the nearest thousand
Round this number to the nearestthousand.

Find your place.. Underline the digit.

2 4 ,3 7 1

Underline the number in the

thousands place.


Round this number to the nearest thousand1
Round this number to the nearestthousand.

Look next door.

2 4,3 7 1

Draw an arrow to the right of the

number.


Round this number to the nearest thousand2
Round this number to the nearestthousand.

If it’s 5 or higher, add 1 more!

2 4,3 7 1

If it’s 4 or lower, just ignore.


Round this number to the nearest thousand3
Round this number to the nearestthousand.

3 is less than four, so leave the thousands digit alone!

2 4,37 1

If it’s 4 or lower, just ignore.


Round this number to the nearest thousand4
Round this number to the nearestthousand.

4 or lower, just ignore.

2 4, 0 0 0

Change the numbers to left of 5 to 0’s.


The answer1
The Answer

24,371 rounded to the nearest thousand is

2 4, 0 0 0


Round this number to the nearest dollar
Round this number to the nearestdollar.

Find your place.

$ 5. 87

Underline the number where the dollars

are.


Round this number to the nearest dollar1
Round this number to the nearestdollar.

Look next door.

$ 5. 87

Draw an arrow to the right of the

circled number.


Round this number to the nearest dollar2
Round this number to the nearestdollar.

5 or higher, add 1 more!

$ 5. 87

If it’s 4 or lower, just ignore.


Round this number to the nearest dollar3
Round this number to the nearestdollar.

5 or higher, add 1 more.

+1

$ 5. 87

Since 8 is greater than 5 add 1 to the

5.


Round this number to the nearest dollar4
Round this number to the nearestdollar.

5 or higher, add 1 more.

$ 6. 0 0

Change the 5 to a 6 and change all the

numbers to the right to 0’s.


The answer2
The Answer

$5.87 rounded to the

nearest dollar is

$ 6. 0 0


Round this number to

the nearest hundred.

6,480

6,500


Round this number to

the nearest tens.

7,239

7,240


Round this number to

the nearest thousands.

28,731

29,000


Round this number to

the nearest hundred thousands.

289,962

300,000


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