Unit 5 Review

Adding Decimals

100

2.56 + 4.72

7.28

200

3.9 + 4.28

8.18

300

16.731 + 745.8

762.531

400

14.72 + 605.9

620.62

500

compare the decimals after finding the sums of both equations

2 + 6.901      <, >, or =        1 + 7.9

2 + 6.901 = 8.901

1 + 7.9 = 8.9

8.901 > 8.9

Subtracting Decimals

100

3.4 - 2.1

1.3

200

300.2 - 145.53

DAILY DOUBLE!!!! 400 POINTS!!!

154.67

300

152.38 -  1.2

151.18

400

316.72 - 15.4

301.32

500

Compare the decimals after finding the difference of each equation 

3.5 - 1.83    <,>, or =   4.5 - 2.89

3.5 - 1.83 =1.67

4.5 - 2.89 = 1.61 

so, 1.67 > 1.61 

Multiplying Decimals

100

8 x 0.4

3.2

200

6 x 0.09

0.54

300

0.3 x 0.5

0.15

400

4.3 x 0.8

3.44

500

455.36 x 25

DAILY DOUBLE!!! 1,000 POINTS!!!! =)

11,384

Dividing Decimals

100

0.9 / 3

0.3

200

0.3 / 0.02

15 or 15.0

300

4 / 0.1

40. or 40.0

400

0.48 / 6

0.08

500

237 /0.02

11,850

Comparing Decimals

100

True or False 

1.001 > 1.010

False 

200

Put the decimals in order from least to greatest. 

4.001, 0.003, 2.8, 0.101, 5.1, 0.1

0.003, 0.1, 0.101, 2.8, 4.001, 5.1 

300

What is 3.563 rounded to the nearest hundredth, the nearest tenth, and nearest whole?

DAILY DOUBLE!!!!!! 600 POINTS!!!!!!!  

nearest hundredth = 3.56  nearest tenth = 3.6

nearest whole = 4

400

Select all statements that are true. 

0.002 = 0.0020

0.401 > 0.6

4.000 = 4

945.1 < 899.999

3.54 < 6.89

0.002 = 0.0020,  4.000 = 4,  3.54 < 6.89

500

Write the following number in expanded and standard form 

13.064

Standard Form : thirteen and sixty-four thousandths

Expanded Form : (1 x 10) + (3 x 1) + (6 x 0.01)+ (4 x 0.001)