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Math
8th Grade Math (Christa Lemily)
Unit
8
Unit 1: First Days of School
Unit 2: Exponents and Radicals
Unit 3: Solving Linear Equations in One Variable
Unit 4: Pythagorean Theorem
Unit 5: Functions
Unit 6: Transformations
Unit 7: Linear Equations in two Variables
Unit 8: Solving Simultaneous Linear Equations
Lesson
11
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
Objective
Bellringer: Warm-up
Classwork
Homework
Introducing Solving Systems of Equations by Substitution
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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.
Lesson Author
Christa Lemily
Bowling Green, KY
Grade Level
Eighth grade
Subjects
Math
Algebra
substitution method
Linear and Nonlinear Equations
Standards
8.EE.C.8
Analyze and solve pairs of simultaneous linear equations.
MP6
Attend to precision.
MP7
Look for and make use of structure.
Bellringer: Warm-up
8 minutes
Classwork
35 minutes
Unexpected Student Work
Solving systems by Substitution Reflection.mov
Homework
7 minutes
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Lesson Author
Christa Lemily
Bowling Green, KY
Grade Level
Eighth grade
Subjects
Math
Algebra
substitution method
Linear and Nonlinear Equations
Time
50 Minutes
Standards
8.EE.C.8
MP6
MP7
License
Licensed under Creative Commons (
CC BY-NC 4.0
)