Power of 10 & Reading and Writing Decimals

Read Decimals

100

3.8

three and eight tenths

200

12.45

twelve and forty five hundredths

300

659.20

Six hundred fifty nine and twenty hundredths

400

5.07

Five and seven hundredths

500

1.72

One and seventy two hundredths

Decimal Place Value

100

What place value is the 9 in this number: 45.9

tenths place

200

The number in the hundredths place: 655.749

4

300

The value of 8 in this number: 1.008

eight thousandths

400

The value of 2 in this number: 69,580.246

two tenths

500

In what place is the 9 in this number: 8.09

hundredths place

Word Form

100

Six and six tenths

6.6

200

Fifty-four and fifty-nine hundredths

54.59

300

Seven hundred and three hundred fourteen thousandths

700.314

400

Seventeen and five hundredths

17.05

500

Sixty one and thirty five thousandths

61.035

Expanded Form

100

Write the following number in standard form: 

20 + 5 + .6

25.6

200

Write the following number in standard form: 

300 + 60 + 5 + .1 + .02

365.12

300

Write the following number in standard form:

200 + .5 + .06

200.56

400

Write the following number in standard form: 

1,000 + 200 + 50 + 4 + .8 + .09

1,254.89

500

Write the following number in standard form: 

6000 + 700 + 60 + 7 + .6 + .07 + .006

6,767.676

Power of 10

100

What is the value of this power of 10. 

10¹

10

200

What number does this expression represent? 

8.2 x 10²

820

300

What number does this expression represent? 

4.7 x 10⁴

47,000

400

What number does this expression represent? 

3.9 / 10²

0.039

500

What number does this expression represent? 

10.45 / 10⁴

0.001045