Decimal Comparisons and Ordering

Exponents

100

10²

10 x 10 or 100

200

10⁴

10 x 10 x 10 x 10 

or 10,000

300

10⁵

10 x 10 x 10 x 10 x 10

or 100,000

400

1,000,000

10⁶

500

Name 10⁹ in standard form

1,000,000,000

or 1 billion

Decimal Comparisons

100

.8 and .9

<

200

.23 and .18

>

300

45.3 and 45.03

<

400

.83 and 83/100

=

500

5.3 and five and three thousandths

>

Ordering

100

Increasing order

134.09, 134.9, 132.99

132.99, 134.09, 134.9

200

Decreasing Order

56.034, 56.33, 56.23

56.33, 56.23, 56.034

300

Increasing Order

.89, .9, .98, .09

.09, .89, .9, .98

400

Decreasing Order

123.09, 123.90, 123.009

123.90, 123.09, 123.009

500

Which is the largest?

534.28, 534.82, 534.028, 534.082

534.82

Forms of Numbers

100

Write 45.9 in word form

forty-five and nine tenths

200

Write three thousand two hundred one and twenty-eight thousandths in standard form.

3,201.028

300

What form is this number in?

(9 x 10)+(9 x 1)+(4 x .01)=99.04

expanded form

400

Write 53.08 in expanded form.

(5 x 10)+(3 x 1)+(8 x .01)

500

In what form is this number written?

1 hundred 3 tens 2 ones 5 tenths 8 thousandths

unit form

Place Value

100

What value does each copy (dot) in the tens place have?

10

200

Which place value column has a value of 10,000?

The ten thousands column.

300

What value does each copy (dot) in the tenths place have?

1/10 or 0.1

400

Which place value column has a value of .001?

The thousandths column

500

What is the value does each copy (dot) in the hundredths place value column have?

1/100 or .01