Decimal Review

Powers of 10

100

5.76 x 10³

5760.0 

200

52.86 x 10⁴

528600.0

300

6948.2 divided by 10²

69.482

400

123.456 divided by 10³

0.123456

500

456.8 x 10¹

4568.0

Expanded Form

100

Write 6.564 in expanded form

(6x1) + (5x1/10) + (6x1/100) + (4x1/1000)

200

What decimal is this (7x1) + (5x1/10) + (6x1/100)

7.56

300

Write 4.56 in expanded form

(4x1) + (5x1/10) + (6x1/100)

400

What decimal is this (8x10) + (5x1) + (9x1/100) + ( 7x1/1000)

85.097

500

Write 952.378 in expanded form

(9x100) + (5x10) + (2x1) + (3x1/10) + (7x1/100) + ( 8x1/1000)

+ and -

100

7.9-3.47

4.43

200

17.48+9.9

27.38

300

80.93-68

12.93

400

231.80+72.55

304.35

500

1.24-0.67

0.57

Comparing

100

< > or =

0.3333____0.33

>

200

< > or =

4.567___7.654

<

300

< > or =

1.2___1.20

=

400

List these in order from least to greatest

5.987, 5.975, 5.600, 5.750

5.600, 5.750, 5.975, 5.987

500

List these in order from greatest to least

12.004, 12.003, 12.002

Rounding

100

Round 1.3824 to the nearest thousandths place

1.382

200

Round 17.8284 to the nearest tenths place

17.8

300

Round 2354.453 to the nearest hundredths place

2354.45

400

Round 426.213 to the nearest ones place

426

500

Round 36.612 to the nearest hundredths place 

36.61