Decimals (lesson 6, 7 & 8)

Powers of 10

100

10 x 10 x 10

10³

200

What is 100,000 in exponent form

10⁵

300

Solve: 4 x 10²

400

400

5.34 x 100 =

534

500

954 ÷ 10¹

95.4

Word Form

100

5.4

five and four tenths

200

3.608

three and six hundred eight thousandths

300

4.01

four and one hundredth

400

9.003

nine and three thousandths

500

45.197

forty-five and one hundred ninety-seven thousandths

Standard Form

100

Three and two tenths

3.2

200

five and nine hundredths

5.09

300

ten and forty-five hundredths

10.45

400

(2 x 1) + (3 x 1/1000)

2.003

500

(4 x 100) + (3 x 1) + (3 x 1/10) + (5 x 1/1000)

403.305

Expanded Form

100

3.23

(3 x 1) + ( 2 x 1/10) + (3 x 1/100)

200

0.28

(2 x 1/10) + (8 x 1/100)

300

1.045

(1 x 1) + ( 4 x 1/100) + (5 x 1/1000)

400

50.009

(5 x 10) + (9 x 1/1000)

500

9,005. 567

(9x 1,000) + (5 x 1) + (5 x 1/10) + (6 x 1/100) + (7 X 1/1000)

Other

100

Andrew ran a race and finished in 3.045 seconds. What is 3.045 written in standard form?

three and forty-five thousandths

200

Ashley's coin weighs four hundred thirty-one thousandths of an ounce. What is that written in standard form.

0.431

300

Write 23.6 in two other forms

twenty-three and six tenths

(2 x 10)+ (3 x 1) + (6 x 1/10)

400

0.03 x 10²⁼

3

500

789.076 ÷ 10¹ 

78.9076