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Introducing Solving Systems of Equations by Substitution

# Introducing Solving Systems of Equations by Substitution

Unit 8: Solving Simultaneous Linear Equations

Lesson 11 of 15

Lesson 11 of 15

## Objective: SWBAT explain the purpose of substitution when solving a system of equations algebraically and then solve using this strategy.

## Big Idea: Expand on student understanding of solutions to an equation and generating equivalent equations to solve systems by substitution.

Subject(s):

Math, Algebra, substitution method, Linear and Nonlinear Equations, solve linear equalities and inequalities, 8th grade math, master teacher, Systems, solving equations in two variables

*50 minutes*

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- LESSON 1: Unit Project: The Tortoise and the Hare Day 1 of 2
- LESSON 2: Pennies Lab Introduction to Systems of Equations Day 1 of 2
- LESSON 3: Pennies Lab Introduction to Systems of Equations Day 2 of 2
- LESSON 4: Baseball Helmets Day 1 of 2
- LESSON 5: Baseball Helmets Day 2 of 2
- LESSON 6: Classifying Solutions to Linear Equations Formative Assessment Lesson Day 1 of 3
- LESSON 7: Classifying Solutions to Linear Equations Formative Assessment Lesson Day 2 of 3
- LESSON 8: Classifying Solutions to Linear Equations Formative Assessment Lesson Day 3 of 3
- LESSON 9: Unit Project: The Tortoise and the Hare Day 2 of 2
- LESSON 10: Introducing Linear Combinations (Elimination Method)
- LESSON 11: Introducing Solving Systems of Equations by Substitution
- LESSON 12: Battleship Activity Day 1 of 2
- LESSON 13: Battles Ship Activity Day 2 of 2
- LESSON 14: Systems of Simultaneous Linear Equations Unit Exam Day 1 of 2
- LESSON 15: Systems of Simultaneous Linear Equations Unit Exam Day 2 of 2

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