Decimal Review

What is the Value?

100

What is the value of the underlined digit?

347.85

0.8 or eight tenths

200

What is the value of the underlined digit?

1873.4

1,000 or one thousand

300

What is the value of the underlined digit?

9345.124

0.02 or 2 hundredths

400

What is the value of the underlined digit?

873.65

70 or seventy

500

What is the value of the underlined digit?

3463.683

0.003 or three thousandths

Powers of 10

100

43 x 10² =

4,300

200

23.3 / 10² =

0.233

300

457.124 x 10³ =

457,124

400

86.01 x 10⁴ =

860,100

500

7.8 / 10³ =

0.0078

Reading & Writing

100

What is three hundred ninety two and four tenths in standard form?

392.4

200

What is ( 2 x 1,000 ) + ( 4 x 100 ) + ( 6 x 10 ) + ( 7 x 1 ) + ( 3 x 1/10 ) + ( 5 x 1/100 ) in standard form?

2467.35

300

What is 845.07 in word form?

eight hundred forty five and seven hundredths

400

What is 345.012 in expanded form

( 3 x 100 ) + ( 4 x 10 ) + ( 5 x 1 ) + ( 1 x 1/100 ) + ( 2 x 1/1000 )

500

What is eight hundred six and thirteen thousandths in expanded form? 

( 8 x 100 ) + ( 6 x 1 ) + ( 1 x 1/100 ) + ( 3 x 1/1000 )

Rounding

100

What is 235 rounded to the nearest hundred?

200

200

What is 571.215 rounded to the nearest hundredth? 

571.22

300

What is 27.128 rounded to the nearest tenth?

27.1

400

What is 342.57 rounded to the nearest whole number?

343

500

What is 349.693 rounded to the nearest whole number?

350

Comparing

100

753 ____ 234

>

200

45.31 ____ 45.5

<

300

468.23 ___ 468.205

>

400

31.270 ___ 31.27

=

500

0.257 ___ 0.26

<