# Solving One-Step Inequalities Using Reasoning (Addition and Subtraction)

Unit 9: Inequalities
Lesson 5 of 7

## Big Idea: Inequalities can be solved using reasoning and substitution. We know that a solution set is correct if you choose values that satisfy the solution set, substitute them into the original inequality, and see if the inequality is satisfied.

Print Lesson
11 teachers like this lesson
Standards:
60 minutes

### Carla Seeger

##### Similar Lessons

###### Working with Inequalities
6th Grade Math » Expressions, Equations, & Inequalities
Big Idea: What’s the difference between s = 40, s > 40, and 4s > 160? Students work on creating, solving, and graphing inequalities for given situations.
Favorites(17)
Resources(24)
Somerville, MA
Environment: Urban

###### Writing Algebraic Inequalities
Big Idea: Students identify key words to translate inequalities.
Favorites(1)
Resources(13)
Brooklyn, NY
Environment: Urban

###### Inequalities
6th Grade Math » One-Step Equations & Inequalities
Big Idea: Inequalities NOT Equations! Understanding the meaning and significance of inequalities.
Favorites(4)
Resources(20)
Jonesboro, GA
Environment: Urban