Decimals

Place Value

100

 23.0039

What place value is the 3 in?

Thousandths

200

0.051872

What number is in the ten-thousandths place?

7

300

11.9128

What number is in the tenths place?

9

400

6,900.2034

What number is in the thousands place?

6

500

600.0027439

What number is in the hundred-thousandths place?

4

Writing Decimals

100

One hundred twenty-four thousandths

0.124

200

twenty-one hundredths

0.21

300

Nine thousand, eighty-seven hundred thousandths

0.09087

400

two thousand and eighty-nine hundredths

2,000.89

500

Eleven and five hundred sixty-two thousandths

11.562

Percents to Decimals

100

Percents to Decimals 

98%

0.98

200

Percents to Decimals 

46%

0.46

300

Percents to Decimals 

8%

0.08

400

Percents to Decimals 

1%

0.01

500

Percents to Decimals 

320%

3.2

Decimals to Fractions

100

Decimals to Fractions 

0.5

1/2

200

Decimals to Fractions 

0.20

1/5

300

Decimals to Fractions 

0.12

3/25

400

Decimals to Fractions 

0.72

18/25

500

Decimals to Fraction 

0.01

1/100

Standard Form to Scientific Notation

100

32,200

3.22 x 10⁴

200

0.0020282

2.0282 x 10^-3

300

10,000,000,000

1 x 10¹⁰

400

0.0345

3.45 x 10^-2

500

0.00000000909

9.09 x 10^-9

Scientific Notation to Standard Form

100

2.6 x 10¹⁰

26,000,000,000

200

6 x 10^-5

0.00006

300

8.51 x 10^-8

0.0000000851

400

8.4909 x 10⁴

84,909

500

3.00009 x 10^-1

0.300009