Place Value
Rounding
Estimating/Comparing
Addition
Subtraction
100

What place value is the 6 in?

236,800

Thousand

100
Round 651 to the nearest hundred

700

100

Compare the two numbers using <, >, or =

91,543_____ 94,135

>

100

789+324

1,113

100

752-98

654

200

What number has 18 ones, 40 ten thousands and 600 tens?

406,018

200

Round 7,642 to the nearest thousand

8,000

200

Which equation can BEST help you estimate the difference?

17,899-10,421

a. 20,000-10,000=10,000

b. 18,000-10,000=8,000

c. 17,000-11,000=6,000

b. 18,000-10,000=8,000

200

4,287+2,933

7,220

200

1,283-329

954

300

Write this number in expanded form and word form

21,054

20,000+1,000+50+4

Twenty-one thousand, fifty-four

300

Round 23,900 to the nearest ten thousand

20,000

300

What equation can BEST help you estimate the difference?

  37,083 - 12,449

A. 40,000 - 10,000= 30,000

B. 37,000 - 12,000= 25,000

C. 40,000 - 12,000=28,000

B. 25,000

300

10,800+23,653

34,453

300

4,122-3,877

245

400

327,702

How does the value of the 7 in the thousands place compare to the value of the 7 to its right?

The value of the 7 in the thousands place is 10x the value of the 7 to its right.

400

Round 231,983 to the nearest hundred thousand

200,000

400

Use <, >, = to compare the equations

a. 36,000 ____ 63,000

b. 17,508 ____ 9,622

c. 4,258 _____ 4,285

d. 91,210 _____ 90,129

a. <

b. >

c. <

d. >

400

15,420+7,098

22,518

400

98,023-54,219

43,804

500

60,000 + 900,000 +________+ 1,000 + 4 + 30 = 961,134

100

500

What are the following numbers rounded to?

1. 353,070----->400,000

2. 362,281----->362,000

3. 340,689-----> 340,000

4. 367,289-----> 370,000


1. Nearest Hundred Thousand

2. Nearest Thousand

3. Nearest Ten Thousand

4. Nearest Ten Thousand

500

In one month, 9,805 cars pass a store. In the same month, 12,053 trucks pass the same store. Use >, <, or = to write a comparison between the number of cars and trucks that pass the store. Do more cars or trucks pass the store?

Trucks

500

78,061+10,767

88,828

500

452,801-324,596

128,205

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