Friday, January 9, 2009

Unit 5 Study Guide

In addition to the study guide, please review your study links and math journal pages from Unit 5 to be fully prepared for the test.  The test will be on Friday, Jan. 16.

1. Be able to use a frequency chart to create a bar graph on grid paper and answer questions about the graph you make. (Don't forget your title and labels on your graph)

2. Write >, <, or = in the blank. a. 3/4 ___ 3/5   
b. 1/2 ___ 4/8 
c. 6/7 ___ 5/7 
d. 1/3 ____ 9/10

3. Change each improper fraction to a mixed number or whole number.

a. 21/5 =_____ b. 12/4 =_____ c. 17/3 =_____ d. 8/2 =_____

4. Change each mixed number to an improper fraction.

a. 2  1/3 = _____ b. 7  3/5 =_____ c. 3  2/4 =_____ d. 5  1/8 =_____

5. Round the following numbers to the hundredths place.

a. 27.4751 ________ b. 245.051 ________ c. 95.999 ________ d. 1.0529 _________

6. Use the data and your percent circle to make a circle graph.

People who study landfills have estimated the percent of landfill space (volume) taken up by paper, food, plastic, and so on. (Think of it this way: For every 100 boxes of garbage hauled to the dump, expect that about 50 boxes could be filled with paper, 6 with metal, 1 with glass, and so on)

Space in landfills taken up by:

Paper . . . . . . . . . . . . . . . . 50%

Food and yard waste . . . . . .13%

Plastic . . . . . . . . . . . . . . . . 10%

Metal . . . . . . . . . . . . . . . . . 6%

Glass . . . . . . . . . . . . . . . . . . 1%

Other waste . . . . . . . . . . . . . .20%

7. Convert the following fractions to decimals and percents. Round to the nearest whole percent.

Fraction Decimal Percent (rounded to the nearest whole percent)
3/4
14/16
15/25
17/20
3/8  

8. Complete the following open response:
Sue and Kate each bought a pie. Both pies had been cut into 8 equal pieces. Sue ate 1/4 of her pie. Kate ate 3/8 of her pie.

a. Which girl ate the most pie?

b. Explain in detail how you came up with the answer to part A. Show your work.