Place Value
Comparing
Rounding
Adding
Subtracting
100

What place is the 3 in?

35

tens

100

Greater than, less than or equal to?

345   ___  354

<

100

Round to the nearest thousand:

34,762

35,000

100

500 + 500 = 

1,000

100

722 - 345 = 

377

200

What is the word form of this number: 45,702

(write on a whiteboard)

forty-five thousand, seven hundred two

200

Greater than, less than or equal to 

25 hundreds ___________ 2,500

=

200

Round to the nearest ten thousand

974,291

97,000

200

2,699 + 1,200

3,899
200

55,002 - 11,331 = ?

43,671

300

What is the expanded form of the number 75,622

70,000 + 5,000 + 600 + 20+ 2

300

Greater than, less than, or equal to?

3,323,333 _______ 3,332,333

<

300

Which equation helps you best estimate the difference?

32,518 - 19,640 

A. 30,000 - 19,000

B. 30,000 - 20,000

C. 32,000 - 20,000

D.33,000 - 20,000

B or D

300

872,100 + 54,000

926,100

300

89,256 - 76,221 = ?

13,035

400

How many times greater is the 3 in 34,555 than the 3 in 345,555?

10 times 

400

Greater than, less than, or equal to?

45 hundreds __________  4,000

>

400

Round to the nearest hundred

34,990

35,000

400

3,548 + 4,615

8163

400

7,000 - 2,819 = ?

4,181

500

What number has 62 ones, 20 ten thousands, 300 tens?

203,062

500

Using your whiteboard, put both numbers in a place value chart to compare.

445,771

45,771

Techer Check

500

Estimate by rounding to the nearest thousand, then add. 

34,555 + 68,418 

35,000 + 68,000 = 103,000

500

Estimate to the nearest hundred then add

34,566 + 27,845

34,600 + 27,800 = 62,400

500

There are 34,521 birds at the zoo. There are also 5,002 animals at the zoo. How many more birds than animals are at the zoo?

29,519