1. MS Algebra A-REI-3 – Ch. 4.1 & 4.2 Properties of Inequality
ALGEBRA SUPPORT
Create Algebraic Inequalities and Apply Properties of Inequality to Solve Them

2. SUPPORT Class Learning Target
Title: 4.1 & 4.2 Properties of Inequality
Date:
SUPPORT Class Learning Target
By the end of the period, I will create algebraic inequalities and apply properties of inequality to solve them.
I will demonstrate this by completing Four-Square Notes and by solving problems in a pair/group activity.

3. Home Work 1-2-3: 1) Class 4-Square Notes Put In Binder?
2) Section 4.2 Pg ) Section ______
TxtBk. Prob. #42-48 All Notes Copied on blank sheet Solved and Put in Binder? of paper in Binder?
Table of Contents
Date Description Date Due

4. Notes:

5. Write, solve and graph the solution of the inequality.
HW # 42
You have $8 and want to buy some 39-cent stamps. Let s represent the possible number of stamps that you can buy.

6. Write, solve and graph the solution of the inequality.
HW # 43
Your average running speed is 6.5 miles per hour. You plan to run at least 10 miles a day as part of a training program. Let T represent the amount of time you spend running (per day).

7. Write, solve and graph the solution of the inequality.
HW # 44
You read 10 pages per hour. You need to read at least 115 pages of a book for your English class. Let T represent the amount of time you spend reading.

8. Write, solve and graph the solution of the inequality.
HW # 45
Maria plans to save at least $100 each week. She earns $7.50 per hour working at her job. Let H represent the possible numbers of hours Maria should work each week.

9. Storm Check (Think, Write, Discuss, Report)
When you use the division property of inequality, what happens when you divide by a negative number? When I divide an inequality by a negative number, ___________________________________________ __________________________________________.

10. Write, solve and graph the solution of the inequality.
HW # 46
You have $90 to buy CDs for your friend’s birthday. The CDs cost $18 each. What inequality represents the possible number of CDs that you can buy?

11. Write, solve and graph the solution of the inequality.
HW # 47
John applies for a job that requires the ability to type 40 words per minute. He practices typing on a keyboard for 5 minutes. The average number of words he types per minute must at least meet the job requirement. What are the possible numbers of words that John can type in 5 minutes in order to meet or exceed the job requirement?

12. HW # 48 The traveling distance between San Francisco and Los Angeles is about 385 miles. Write, solve and graph an inequality that represents the possible average speeds s (in miles per hour) needed to drive from San Francisco to Los Angeles in less than 7 hours.

13. Vocabulary Addition Property of Inequality (P.O.I.) Subtraction P.O.I.
Multiplication P.O.I.
Division P.O.I. by a Positive(+) Number / by a Negative (-) Number

14. Vocabulary Acquisition
Friendly Definition
Sketch
Wordwork
Sentence
DAY 2
1. Review word
Friendly Definition
Physical Representation
2. Draw a sketch
DAY 1
Use Visuals
Introduce the word
Friendly Definition
Physical Representation
Use Cognates
Write friendly definition
Word List
Vocabulary Acquisition
DAY 3 and/or DAY 4
1. Review the word
Friendly Definition
Physical Representation
2. Show how the word works
Synonyms/antonym
Word Problems
Related words/phrases
Example/non-example
DAY 5
1. Review the word
Friendly definition
Physical Representation
3. Write a sentence
at least 2 rich words (1 action)
correct spelling
correct punctuation
correct subject/predicate agreement
clear and clean writing

15. Title: 4.1 & 4.2 Properties of Inequality
Date:
Learning Target
By the end of the period, I will create algebraic inequalities and apply properties of inequality to solve them.
I will demonstrate this by completing Four-Square Notes and by solving problems in a pair/group activity.

16. Home Work 1-2-3: 1) Class 4-Square Notes Put In Binder?
2) Section 4.2 Pg ) Section ______
TxtBk. Prob. #42-48 All Notes Copied on blank sheet Solved and Put in Binder? of paper in Binder?
Table of Contents
Date Description Date Due

17. Ticket OUT.
PILOTING
A student pilot plans to spend 80 hours on flight training to earn a private license. The student has saved $6000 for training.
What are the possible hourly rates that the student can afford to pay for training?
Turn to your partner and share your answer. Please use correct answer.
Partner B, please share what Partner A told you.

18. Ticket OUT.
PILOTING
A student pilot plans to spend 80 hours on flight training to earn a private license. The student has saved $6000 for training.
What are the possible hourly rates that the student can afford to pay for training?
Write inequality.
6000
80 • r ≤
Turn to your partner and share your answer. Please use correct answer.
Partner B, please share what Partner A told you. 80 80
Divide each side by 80. 75 r ≤
Simplify.
ANSWER
The student can afford to pay at most $75 per hour for training.