Grade
8 Illustrative Mathematics – Unit 4: Linear Equations and Linear Systems

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Lesson Topic

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Lesson Summary & Homework
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Lesson 1 – Number Puzzles

Lesson 1




Morgan 8.4.1

Lesson 2 – Keeping the Equation Balanced

Lesson 2




Morgan 8.4.2

Lesson 3 –Balanced Moves

Lesson 3

Intro
to Equations with variables on both sides
Equations
with variables on both sides: 207x=6x6

Equations
with variables on both sides


Morgan 8.4.3

Lesson 4 – More Balanced Moves

Lesson 4

Equations
with parentheses

Equations
with parentheses


Morgan 8.4.4

Lesson 5 – Solving Any Linear Equation

Lesson 5




Morgan 8.4.5

Lesson 6 – Strategic Solving

Lesson 6


Equations
with variables on both sides: decimals and fractions
Equations
with parentheses: decimals and fractions


Morgan 8.4.6

Extra Practice Linear Equations


Sums
of consecutive Integers
Sum
of integers challenge
Equation
practice with vertical angles
Equation
practice with complementary angles
Equation
practice with supplementary angles

Sums
of consecutive integers
Equation
practice with vertical angles
Equation
practice with angel addition



Lesson 7 – All, Some, or No Solutions

Lesson 7

Creating
an equation with no solutions
Creating
an equation with infinitely many solutions

Number
of solutions to equations challenge


Morgan 8.4.7

Lesson 8 – How Many Solutions

Lesson 8

Number
of solutions to equations
Worked
Example: number of solutions to equations

Number
of solutions to equations


8.4.8 Morgan

Lesson 9 – When Are They the Same

Lesson 9

Age
word problem: Imran
Age
word problem: Ben and William
Age
word problem: Arman and Diya

Age
word problems
Quiz
1


8.4.9 Morgan

Lesson 10 – On or Off the Line?

Lesson
10


Solutions
of systems of equations


8.4.10 Morgan
Part 2

Lesson 11 – On Both of the Lines

Lesson
11




8.4.11 Morgan
Part 2

Lesson 12 – Systems of Equations

Lesson
12

Systems
of equations: trolls, tolls (1 of 2)
Systems
of equations: trolls, tolls (2 of 2)
Systems
of equations with graphing
Systems
of equations with graphing: y= 7/5x5 and y=3/5x1

Systems
of equations with graphing
Number
of solutions to a system of equations graphically


8.4.12 Morgan
Part 2

Lesson 13 – Solving Systems of Equations

Lesson
13

Systems
of equations with substitution: y=1/4x+100 and y=1/4x+120
Number
of solutions to a system of equations graphically

Number
of solutions to a system of equations algebraically


8.4.13 Morgan
Part 2

Lesson 14 – Solving More Systems

Lesson
14

Systems
of equations with substitution – 1
Systems
of equations with substitution – 2
Systems
of equations with substitution  3

Systems
of equations with substitution
Quiz
2


8.4.14 Morgan

Lesson 15 – Writing Systems of Equations

Lesson
15




8.4.15 Morgan
Part 2

Lesson 16 – Solving Problems with Systems of Equations

Lesson
16

Systems
of equations with word problems: no solution
Systems
of equations with substitution: coins

Systems
of equations word problems


8.4.16 Morgan

Unit 4 Review



Khan
Academy Unit 4 Practice Test


