PA-U2.1 Lesson: One Step Equations Mult/Div.

Open Ended

ACT Prep Warm-Up:

Error Analysis: Look at the steps Jess used to solve: $$n-5=11$$

1)Subtracted five from each side.

2) She expressed her result as n = 6.

Is she correct? If not explain the mistake that she made.

Unit 2 Lesson 1b:
One Step Equations

​Goal:

Solve one step equations by isolating the variable. Today we will focus the inverse operations of multiplication and division.

Important Note: Remember the signs rules used when multiplying and dividing integers.

Same signs = Positive
Mixed Signs = Negative

​Procedures:

1) Determine what is attached to the variable.
2) Use the inverse operation to isolate the unknown.
3) Check your answer.

​Example 1:

​Example 2:

​Example 3:

​Example 4:

Multiple Choice

Lesson Check:

Solve: $$3a\ =-30$$

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