Math 212: Elementary Math II- Homework

Math 212: Elementary Math II - Spring 2009

Instructor: Jodi Fasteen

Office: 328 Neuberger Hall. This is located off the 3rd floor hallway by the main math dept office.
Office hours available by appointment. I will generally be available the half hour before each class, and after class on Tuesdays and Thursdays. You are also welcome to drop by my office any time and I will let you know if I am available.
e-mail: "jfasteen" at "pdx.edu"
website: http://www.mth.pdx.edu/~jfasteen

TB= Textbook, WB=Workbook (spiral bound)

Homework:

You should clearly show the work necessary to complete each problem.
Well labeled solutions make it easier to follow work, and to make any necessary repairs.

* Note: All plans are subject to tweaking and other changes.

HW # Problems Due Due Date

Weeks 1-4: Fractions
HW #1
What are your memories about learning fractions? (paragraph)
Recall the video clip of Ally. If Ally’s parents asked you to tutor Ally, what would be your first steps in helping her to understand fractions? Explain and justify your strategy in a 1 to 2 page report. (Type or use beautiful handwriting)
Staple the transcript “Video Clip 11” to the back of your HW 1.

Due Thursday, April 2nd
HW #2

Show how to perform the addition 2/5 + 1/3, and ľ + 5/6 using fraction bars or other images. Include sketches of the original numbers, and sketches of any steps you use. (Do not rely on pencil and paper algorithms.) Explain your steps briefly and keep your drawings accurate.
Show how to perform the subtraction (2 and 1/6) - 2/3, and 5/6 - ľ using fraction bars or other images. Include sketches of the original numbers, and sketches of any steps you use. (Do not rely on pencil and paper algorithms.) Explain your steps briefly and keep your drawings accurate.
Start reading Liping Ma Handout
Recommended Practice Problems (not to be turned in): TB 5.2 (p304) 11-28
Tues, April 7th
HW #3
Each mile of highway takes 3/4 gal of yellow paint to repaint the center strip. How much paint is needed for 6 and 2/3 miles?
Show how to perform the multiplication above using fraction bars or other images. Include sketches of the original numbers, and sketches of any steps you use. (Do not rely on pencil and paper algorithms.) Explain your steps briefly and keep your drawings accurate.
Continue reading Liping Ma. Keep track of questions/ideas you might have as you read. You will be asked to write a reflection on the reading.
Thurs, April 9th

HW #4 HW 4: Due Tuesday, April 14th

If you have any questions about fractions and comparison, addition, subtraction, or multiplication, please jott them at the start of your homework.
Sidewalk hop (skip this and continue to ponder area model of multiplication instead.)
TB 5.3: Exercises and Problems (p329) 6, 14, 17, 18, 35-40, 52, Writing and Discussion (p333) 1, 2, 4.
Read all of the Liping Ma paper, and the one page “Background Info” handed out in class. Type a two page (double spaced) reflection on the Liping Ma article. Rather than a summary of the article, try answering some of the following questions: What did you think of the article? Does the article raise any questions or concerns for you? What was encouraging about the article? What did you agree and disagree with?
This will be turned in separately from the rest of the HW and is its own 10 pt assignment. Please include your full name and do not staple it to the rest of the assignment. Make sure your reflection has been proofread/spell-checked/grammar-checked and typed.
Tues, April 14th

HW #5 Sidewalk Hop activity, handed out in class. Write up nicely. Thurs, April 16th
HW #6 Homework 6, handed out in class. Write up nicely.
Bring Liping Ma article.
Tues, April 21st
HW #7
WB 5.3 1, 3-7
Type your answer to the following: There are 5 basic skills we’d like to master with fractions: Comparing, adding, subtracting, multiplying, and dividing. Which of these skills might benefit from “common denominators”, and which don’t? Justify your answer, with words and numbers, for each of the 5 skills.
Thurs, April 23rd
Study for the test Only weekend homework is studying for the exam. Focus on visual models, story problems, and potential student errors.
Tuesday, Week 5: Midterm 1 (April 28th, 2009)
HW #8 HW 8:
1. There are 5 basic skills with decimals: comparison, addition, subtraction, multiplication, division. For each of the following student error questions, give an example and explain the error.
a) Explain two possible errors you might see students make with comparison.
b) Explain two possible errors you might see students make with addition and/or subtraction.
c) Explain one possible error you might see students make with multiplication.
d) Explain one possible error you might see students make with division.
Thurs, April 30th

HW #9

TB 6.1 (p359): 6, 8, 16, 22, 24, 26, 38, 44. Writing and Discussion (p362) #1, 2, 5
Type your answers to the following:

a) Do you think every rational number can be written as a decimal? Justify your answer.
b) Do you think every decimal can be written as a rational number? Justify your answer.
Recall, a rational number is a fraction with numerator and denominator whole numbers. This avoids having square roots and decimals inside the fractions.
Tues, May 5th
HW #10

WB 6.2 (p133) 1-10
Decimals I Worksheet
Thurs May 7th

HW 11:

TB 6.2 (p382): 9 -16, 19-20, 29-30, 44-46, Writing and Disc (p387) #1, #3
Decimals 2 Worksheet (started in class)
WB 6.4 (Read p153 first.) #1-7
Tues, May 12th

HW 12 The following homework will be due on Tuesday, May 19th. No homework will be turned in on Thursday, May 14th
Graphs will be covered on Thursday.
Homework 12

TB 6.4 (p427): 2, 4, 22-24, 34, 36

TB 7.1: Data & Graphs (p454): 6-9, 10, 12, 14, 16, 17, 21, 22, 24

Weeks 6-10: Probability and Statistics
HW 13

TB 7.2 (p484): 2, 10-16
Migraines boxplot worksheet
Thursday, May 21st
You may hang on to this until the exam on Tuesday.
Midterm Midterm 2 will be on Tuesday, May 26th
Focus on decimals (operations, student errors, relationship with fractions) and statistics (mean, median, mode, box plots, other graphs)
No other HW due on Tuesday
Tuesday, May 26th

HW 14 TB 8.1 (p532): 6, 7, 10, 11, 18-21, 35, 36, 40. Thurs, May 28th

HW 15 Homework: 15:

Read TB 8.1 and 8.2.
TB 8.2 (p553): 3-7, 9, 11-15, 25
Tuesday, June 2nd

HW 16: Start preparing for the final exam. Page thru your notes and jott down a list of important ideas to review. Mark which ones you feel confident about and which you have concerns about.
Final Exam Final Exam will be: Thurs., June 11, 1015-1205

HW #	Problems Due	Due Date
	Weeks 1-4: Fractions
HW #1	What are your memories about learning fractions? (paragraph) Recall the video clip of Ally. If Ally’s parents asked you to tutor Ally, what would be your first steps in helping her to understand fractions? Explain and justify your strategy in a 1 to 2 page report. (Type or use beautiful handwriting) Staple the transcript “Video Clip 11” to the back of your HW 1.	Due Thursday, April 2nd
HW #2	Show how to perform the addition 2/5 + 1/3, and ľ + 5/6 using fraction bars or other images. Include sketches of the original numbers, and sketches of any steps you use. (Do not rely on pencil and paper algorithms.) Explain your steps briefly and keep your drawings accurate. Show how to perform the subtraction (2 and 1/6) - 2/3, and 5/6 - ľ using fraction bars or other images. Include sketches of the original numbers, and sketches of any steps you use. (Do not rely on pencil and paper algorithms.) Explain your steps briefly and keep your drawings accurate. Start reading Liping Ma Handout Recommended Practice Problems (not to be turned in): TB 5.2 (p304) 11-28	Tues, April 7th
HW #3	Each mile of highway takes 3/4 gal of yellow paint to repaint the center strip. How much paint is needed for 6 and 2/3 miles? Show how to perform the multiplication above using fraction bars or other images. Include sketches of the original numbers, and sketches of any steps you use. (Do not rely on pencil and paper algorithms.) Explain your steps briefly and keep your drawings accurate. Continue reading Liping Ma. Keep track of questions/ideas you might have as you read. You will be asked to write a reflection on the reading.	Thurs, April 9th
HW #4	HW 4: Due Tuesday, April 14th If you have any questions about fractions and comparison, addition, subtraction, or multiplication, please jott them at the start of your homework. Sidewalk hop (skip this and continue to ponder area model of multiplication instead.) TB 5.3: Exercises and Problems (p329) 6, 14, 17, 18, 35-40, 52, Writing and Discussion (p333) 1, 2, 4. Read all of the Liping Ma paper, and the one page “Background Info” handed out in class. Type a two page (double spaced) reflection on the Liping Ma article. Rather than a summary of the article, try answering some of the following questions: What did you think of the article? Does the article raise any questions or concerns for you? What was encouraging about the article? What did you agree and disagree with? This will be turned in separately from the rest of the HW and is its own 10 pt assignment. Please include your full name and do not staple it to the rest of the assignment. Make sure your reflection has been proofread/spell-checked/grammar-checked and typed.	Tues, April 14th
HW #5	Sidewalk Hop activity, handed out in class. Write up nicely.	Thurs, April 16th
HW #6	Homework 6, handed out in class. Write up nicely. Bring Liping Ma article.	Tues, April 21st
HW #7	WB 5.3 1, 3-7 Type your answer to the following: There are 5 basic skills we’d like to master with fractions: Comparing, adding, subtracting, multiplying, and dividing. Which of these skills might benefit from “common denominators”, and which don’t? Justify your answer, with words and numbers, for each of the 5 skills.	Thurs, April 23rd
Study for the test	Only weekend homework is studying for the exam. Focus on visual models, story problems, and potential student errors.
	Tuesday, Week 5: Midterm 1 (April 28th, 2009)
HW #8	HW 8: 1. There are 5 basic skills with decimals: comparison, addition, subtraction, multiplication, division. For each of the following student error questions, give an example and explain the error. a) Explain two possible errors you might see students make with comparison. b) Explain two possible errors you might see students make with addition and/or subtraction. c) Explain one possible error you might see students make with multiplication. d) Explain one possible error you might see students make with division.	Thurs, April 30th
HW #9	TB 6.1 (p359): 6, 8, 16, 22, 24, 26, 38, 44. Writing and Discussion (p362) #1, 2, 5 Type your answers to the following: a) Do you think every rational number can be written as a decimal? Justify your answer. b) Do you think every decimal can be written as a rational number? Justify your answer. Recall, a rational number is a fraction with numerator and denominator whole numbers. This avoids having square roots and decimals inside the fractions.	Tues, May 5th
HW #10	WB 6.2 (p133) 1-10 Decimals I Worksheet	Thurs May 7th
HW 11:	TB 6.2 (p382): 9 -16, 19-20, 29-30, 44-46, Writing and Disc (p387) #1, #3 Decimals 2 Worksheet (started in class) WB 6.4 (Read p153 first.) #1-7	Tues, May 12th
HW 12	The following homework will be due on Tuesday, May 19th. No homework will be turned in on Thursday, May 14th Graphs will be covered on Thursday. Homework 12 TB 6.4 (p427): 2, 4, 22-24, 34, 36 TB 7.1: Data & Graphs (p454): 6-9, 10, 12, 14, 16, 17, 21, 22, 24
	Weeks 6-10: Probability and Statistics
HW 13	TB 7.2 (p484): 2, 10-16 Migraines boxplot worksheet	Thursday, May 21st You may hang on to this until the exam on Tuesday.
Midterm	Midterm 2 will be on Tuesday, May 26th Focus on decimals (operations, student errors, relationship with fractions) and statistics (mean, median, mode, box plots, other graphs) No other HW due on Tuesday	Tuesday, May 26th
HW 14	TB 8.1 (p532): 6, 7, 10, 11, 18-21, 35, 36, 40.	Thurs, May 28th
HW 15	Homework: 15: Read TB 8.1 and 8.2. TB 8.2 (p553): 3-7, 9, 11-15, 25	Tuesday, June 2nd
HW 16:	Start preparing for the final exam. Page thru your notes and jott down a list of important ideas to review. Mark which ones you feel confident about and which you have concerns about.
Final Exam	Final Exam will be: Thurs., June 11, 1015-1205