Unit 1 Test Review

Place Value

100

15.123

What digit is in the TENTHS place and tell me its value.

1 

0.01

200

What digit is in the TENS place and tell me its value.

4213.234

1

10

300

What digit is in the HUNDREDTHS place and tell me its value.

56.391

9

0.09

400

What digit is in the HUNDREDS place and tell me its value.

40,658.888

6

600

500

What digit is in the THOUSANDTHS place and tell me its value.

1678.092

2

0.002

Expanded Form

100

Write the following in expanded form.

46.55

(4x10)+(6x1)+(5x 1/10)+(5x 1/100)

200

400,000 = _____ x 10^--               

Fill in the TWO blanks.

4x10⁵

300

Write the following in expanded form.

4.078

(4x1)+(7x 1/100)+(8x 1/1000)

400

Write the following in expanded form with exponents.

3,002

(3x10³)+(2x10⁰)

500

Write the following in expanded form with exponents.

73,109

(7x10⁴)+(3x10³)+(1x10²)+(9x10⁰)

Standard Form

100

Write the following in STANDARD FORM

six hundred thirty two

632

200

Write the following in STANDARD FORM

five hundred forty seven and two hundred four thousandths

547.204

300

Write the following in standard form.

(3x10⁴) + (8x10²)

30800

400

Write the following in STANDARD FORM

(4x10³)+(5x10⁰)+(4x 1/10)+(8x 1/100)+(3x 1/1000)

4,005.483

500

Write the following number in STANDARD FORM

(5x1000)+(5x10)+(3x1)+(2x 1/100)+(7x1/1000)

5,053.027

Comparing Decimals

100

Which is greater?

10.409 or 10.5

10.5

200

Which is greater

12.3 or 12.300

They are equal

300

Order from least to greatest.

5.1, 5.123, 6.209, 5.032

5.032, 5.1, 5.123, 6.209

400

Order from greatest to least. 

0.1, 0.101, 0.001, 0.012

0.101, 0.1, 0.012, 0.001

500

Order from least to greatest.

878.403, 887.043, 887.304

878.403, 887.043, 887.304

Rounding

100

Round to the nearest tenths place.

0.682

0.7

200

Round to the nearest tenths.

12.459

12.5

300

Round to the nearest hundredths place.

13.419

13.42

400

Round to the nearest whole number.

211.321

211

500

Round to the nearest whole number.

157.23

157