Decimal Place Value

Expanded Form

100

12

10+2

200

3.45

3.45 = 3x1 + 4(.1) + 5(.01)

300

6.12

6.12 = 6(1) + 1(.1) + 2(.01)

400

34.71

34.71 = 3(10) + 4(1) + 7(.1) + 1(.01) 

500

23.457

23.457 = 2(10) + 3(1) + 4(.1) + 5(.01) + 7(.001)

Word Form

100

34

Thirty Four

200

1.3

One AND 3 tenths

300

.897

Eight hundred ninety seven THOUSANDTHS 

400

3.09

There AND nine hundredths  

500

12.098

Twelve AND ninety eight thousandths 

Unit Form

100

4

4 ones 

200

2.12

2 ones and 12 hundredths

300

.456

456 thousandths 

400

876.02

8 hundreds, 7 tens, 6 ones AND 2 tenths  

500

897.009

8 hundreds, 9 tens, 7 ones AND 9 thousandths

Conversion

100

100 CM in M 

1 M 

200

123 CM in M 

1 M 23 CM 

300

3 M in CM 

300 CM

400

6000 MM in M 

6 M

500

9500 MM in M 

9.5 M 

Identify the Value

100

10²

100

200

10³

1,000

300

100,000 in Exponential Form

10⁵

400

10⁵

100,000

500

10⁸

100,000,000