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AIM: How can we solve a system using addition or subtraction?

Topic: Solving systems by adding or subtracting

AIM: How can we solve a system using addition or subtraction?

DO NOW:

Mini-Lesson/Guided Practice

You can use the Addition and Subtraction

Properties of Equality to solve a system by the

elimination method. You can add or subtract

equations to eliminate a variable.

Guided Practice

Guided Practice

Guided Practice

Guided Practice

Guided Practice

Guided Practice

Independent Practice

Homework• pp. 390–393

• Practice by example: ex. 3, 6, 8

• Apply your skills: ex. 39, 41

• Challenge: ex. 44

• Test Prep: ex. 47, 48

• Mixed Review: ex. 51–55, 57, 58

Guided Practice• pp. 387–388:

• Examples 1, 2

• Quick Check 1, 2

• p. 390–391: ex. 1, 2, 4, 5, 7