Rounding and Estimation
Addition and Subtraction
Number Forms
Comparison Sentences
Least To Greatest
100

Using Front-End Estimation round the addends and solve. 

73,854 + 29,003

73,000 + 29,000=102,000 

or

70,000 + 20,000=90,000 

100

23,006+9,674

23,006 + 9,674=32,680 

100

Write in Standard Form the Place Value of the ten thousands place. 

100,289,876,999

70,000

100

Write the correct comparison symbol:

17.94 __ 17.32

17.94 > 17.32

100

Write the numbers from least to greatest:

2.1, 3, 2.001, 2.5, 2.345

2.001, 2.1, 2.345, 2.5, 3

200

Round the following to the greatest place value and solve:

45,798 + 79,213

50,000 + 80,000=130,000 
200

$50.00 - $15.98 

$50.00 - $15.98= $34.02

200

In which place value is the 2

2,035,894,875

Billions Place

200

-103 __ -13

-103 < -13

200

Write from Greatest to Least:

100,001 , 100,356 , 109,879, 21,000

109,879, 100,356, 100,001, 21,00

300

Round to the nearest one million:

8,789,543,913

8, 790,000,000

300

2.398 - 0.287 =?

2.111

300

Write the value of the hundreds period in word form.

34,907

Nine hundred seven

300

8/10 __ 0.8

8/10 = 0.8

300
Write from least to greatest:


0.01, 0.1, 0.21, 0.10, 0.23

0.01, 0.1, 0.10, 0.21, 0.23

400

Using Front-End Estimation round the following and solve:

509 + 254

500+200=700 

or 

500+250=750

400

401,387 - 155,208 = ?

246,179

400
Write in expanded form with multiplication the following number

4.3568

(4 x 1) + (3 x 0.1) + (5 x 0.01) + (6 x 0.001) + (8 + 0.0001)

400

4 and three hundred thousandths __ 4.03

4.00003 < 4.03

500

Round to the one billions place:

125,769,093,009

126,000,000,000

500

180.08 + 39.8 =?

219.88

500
Which number has the least value? 

2.009

2.089

2.109

2.89

2.009

500

8/10,000 __8/100,000

8/10,000 > 8/100,000

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