Solving Inequalities
Presentation
•
Mathematics
•
8th Grade
•
Practice Problem
•
Easy
Standards-aligned
Chavonda Brown
Used 22+ times
FREE Resource
11 Slides • 11 Questions
1
Solving Inequalities
Essential Question:
How do I solve linear inequalities?
Learning Target:
I can use the addition and multiplication properties of inequality to solve inequalities and graph the solution sets on the number line.
2
On the next slide, you will complete the warm-up. Read the question carefully. You do not need to solve and will type your response.
You will have 5 minutes to work on the warm-up
Warm-up
3
Open Ended
4
Let's review your responses
Discussion
Reminder:
Open circle - does not contain solution
Closed circle - contains solution
5
Express the solution set in words, in set notation, and graphically on the number line.
Example 1
6
You will work on the next
5 problems in pairs. You will either show your work and graph, provide a verbal response, or a written response.
You will have 3 minutes per problem.
Collaborative Pairs
7
Draw
Find the solution set to
x + 4 ≤ 7
Express in set notation and on the number line
8
Open Ended
Find the solution set to
3m + 8 = 9
Explain how you found the solution and where it is graphed on the number line
9
Draw
Find the solution set to
8y + 4 < 7y − 2
Express the solution in set notation and on a number line.
10
Audio Response
Find the solution to the
6(x − 5) ≥ 30
Explain how you found the solution and where to graph on the number line.
11
Draw
Find the solution
4(x − 3) > 2(x − 2)
Express the solution in set notation and on the number line.
12
How did your partner contribute to solving and graphing each inequality?
Class Discussion
13
What happens to the inequality symbol when you divide or multiply by a negative value?
Example 2
14
You will work with your partners again to solve 3 more inequality problems out of the 4 seen shown here.
You will be given three minutes for each problem.
Collaborative Pairs
15
Draw
Find the solution
6 − a ≥ 15
Express the solution in set notation and on the number line.
16
Draw
Find the solution to
−3(2x + 4 ) > 0
Express the solution in set notation and on the number line.
17
Draw
Find the solution to
−12x≤41
Express the solution in set notation and on the number line.
18
How did your partner contribute to solving and graphing each inequality?
Class Discussion
19
Multiple Choice
Solve the inequality
-5x - 7 < -28
x > -7
x < -7
x > 521
x < −521
20
Multiple Choice
Solve the inequality.
2(b - 8 ) > 12
b > 20
b > 6
b > 14
b < 20
21
Goal Met!
I can use the addition and multiplication properties of inequality to solve inequalities and graph the solution sets on the number line.
22
Application
Application
Solving Inequalities
Essential Question:
How do I solve linear inequalities?
Learning Target:
I can use the addition and multiplication properties of inequality to solve inequalities and graph the solution sets on the number line.
Show answer
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