Chapter 2 Pre-Algebra

Place Value

100

Place Value .05

Hundredths

200

Place Value of .189

Thousandths

300

Write the number of this expression. Forty-five hundredths

.45

400

Write the value of two hundredths

.02

500

Place value of .555

thousandths

Comparing and Rounding

100

Round this number to the tenth place. 46.59

46.6

200

Round this number to the hundredth place. 

205.4823

205.48

300

Round this number to the thousdandths.

22.6795

22.680

400

Compare these two numbers. Write < or >

937.329 versus 937.3291

<

500

Compare these two numbers. Write < or >.

245.605 versus 245.61

<

Power of 10

100

Solve 10⁴

10,000

200

Solve 10¹⁰

10,000,000,000

300

Solve: 2.568 x 10³

2,568

400

Solve 5.2 x 10⁴

52,000

500

Solve 5.6 divided by 10³

.0056

Decimals and Fractions

100

Write this decimal as a fraction and simplify:

.26

26/100 = 13/50

200

Write decimal as a fraction and simplify:

.010

10/1000 = 1/100

300

Write this fraction as a decimal. 8/25

.32

400

Write this mixed fraction as a decimal. 7 1/5

7.20

Renaming and solving for variables

100

Change percent to a decimal, 2%

.02

200

Change percent to a decimal. 2 3/4

2.75

300

Solve: n + 14.375 when n = .027

14.402