Monday, March 9, 2009

District 25 Math Resources

Click here for many math websites from the district webpage!

Funbrain Math!

Tuesday, February 17, 2009

Unit 6 Study Guide

In addition to the study guide, please review your study links and math journal pages from Unit 6 to be fully prepared for the test. The test will be on Monday, Feb. 23.

Use the following data to make a line plot.

The following numbers represent the number of pets a group of fifth graders have:

0, 10, 6, 2, 2, 3, 2, 6, 2, 1, 1, 0, 4, and 2

Where does the data cluster?
Is there a gap? If so where is it?
Is there an outlier? If so what is it?


Use the following data to make a stem-and-leaf plot.

The following numbers represent the numbers of inches each toy car rolled in a contest:

53, 64, 25, 55, 46, 40, 51, 46, 58, 22, and 52.

Use the stem-and-leaf plot to find the following landmarks:

1. maximum _________ 2. mode ___________

3. minimum ________ 4. median __________

5. range ___________ 6. mean ___________


Add or subtract the following fractions.

1. 2/3 + 1/6 = ________ 2. 1/3 + ¾ = ___________



3. 5/6 – 4/9 = _________ 4. 1 1/12 – 3/12 = _________



5. 1 ½ + 2/8 = _________ 6. 5 ¾ - 2 ¼ = __________



Fraction open response.

Joe and Sam each bought a pizza. Both pizzas had been cut into 12 equal slices. Joe ate 1/3 of his pizza, and Sam 3/12 of his.



a. Which boy ate the most pizza?



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

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.