Module 4 Math Review

Powers of 10

100

6.25 x 10 

62.5

200

896 ÷ 10² 

8.96

300

1,595 ÷ 10³

1.595

400

9.477 x 10³

9,477

500

5.983 x 10⁴

59,830

Area Model

100

Use the area model to solve

0.26 x 0.3

0.078

200

Use the area model to solve 

0.17 x 0.5

0.085

300

Use the area model to solve 

2.7 x 1.4 

3.78

400

Use the area model to solve

1.7 x 2.4 

4.08

500

Use the area model to solve 

4.3 x 2.1

9.03

Place Value

100

How would you say the following decimal number? 

0.7

7 tenths

200

How would you say the following decimal number?

0.73

73 hundredths

300

How would you say the following decimal number?

0.732

732 thousandths

400

How would you say the following decimal number?

2.4

2 and 4 tenths 

500

How would you say the following decimal number?

8.12

eight and 12 hundredths

Comparing

100

Compare the decimals

0.896 _____ 0.689

0.896 > 0.689

200

Compare the decimals

0.218 _____ 0.128

0.218 > 0.128

300

Compare the decimals

0.567 _____ 0.6

0.567 < 0.6

400

What would make the statement true? 

0.243 > _____

Any number greater than or equal to 0.242

500

What would make the statement true? 

0.718 < _____

Any number less than or equal to 0.719

Equations

100

0.7 x 9 =

6.3

200

0.6 x 7 = 

4.2

300

0.326 x 6 =

1.956

400

0.413 x 3 =

1.239

500

0.533 x 3 =

1.599