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Rounding, Rounding, Rounding
Know the Place,
Know the Value
Show me the Form
Add 'em Up
Subtract em' Down
Word Problems
100
What is 45,239 rounded to the nearest hundred?
45,200
100
What is the value of the digit in the hundreds place in the number 789,456?
400
100
Write 5,468 in word form.
five thousand, four hundred sixty-eight
100

5,673 + 6,793 =?

12,466

100

In April, the zookeepers fed the seals 4,620 fish.  In May, they fed the seals 5,068 fish. How many fish did they feed the seals altogether?

9,688 fish

200
What is 297,630 rounded to the nearest thousand?
298,000
200
What digit is in the ten thousands place in the number 6,432,890?
3
200
Write 96,345 in expanded form.
90,000 + 6,000 + 300 + 40 + 5
200

4,201 + 9,979=?

14,180

200

Earth has an average diameter of about 7,926 miles.  Mercury's approximate average diameter is 4,894 miles less than Earth's. What is Mercury's diameter?

about 3,032 miles

300
What is 3,784,598 rounded to the nearest ten thousand?
3,780,000
300
What is the value of the digit in the millions place in the number 19,340,810?
9,000,000
300
Write 700,000 + 6,000 + 40 in standard form.
706,040
300

98309-48659=?

49,650

300

Ron's class read for a total of 7, 842 minutes during a read-a-thon. Cathy's class read for a total of 9,310 minutes. Cathy wrote this subtraction equation to show how many more minutes her class read than Ron. Solve and write an addition equation you could use to check the subtraction.

9,310-7,842=

 

9,310- 7,842= 1,468 minutes

Addition to check (inverse operation):
7, 842 + 1,468 = 9,310 minutes

400
What is 45,672,135 rounded to the nearest hundred thousand?
45,700,000
400
What digit is in the hundred thousands place in the number 96,656,809
6
400
Write five million, six hundred and thirty thousand, five hundred and twelve in standard form.
5,630,512
400

78,196-14,587=?

63,609

400

There were 2,683 books sold at a bookstore this year.  There were 1,317 more books sold last year. How many books in all were sold?

1. 2,683+ 1,317 = 4,000

2. 4,000 + 2,683 = 6,683 books

500

What is 9,999,999 rounded to the nearest million?

10,000,000

500
What is the value of the digit in the millions place in the number 54,230,430?
4,000,000
500
Write three million, nine hundred and forty thousand, seven hundred eight in expanded form. *hint...write in standard form first, then change to expanded form.
3,940,708 3,000,000 + 900,000 + 40,000 + 700 + 8
500

709,032-239,125=?

469,907

500

Mrs. LaPierre's stamp collection consists of 442 stamps.  There are 131 flower stamps and 107 flag stamps in her collection. How many of Mrs. LaPierre's stamps are not of flowers or flags?

1. 131+ 107= 238

2. 442-238= 204 are not flowers or flags