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Math 1
>
Solve Linear Equations & Inequalities
2.2.1a Solving linear equations with one variable
Explanation:
Notes

Annotated
Khan video:
Intro to twostep equations
Khan video:
Worked example: twostep equations
Khan article:
Twostep equations review
Khan video:
Twostep equation word problem: computers
Khan video:
Twostep equation word problem: oranges
Practice Problems:
Khan exercise:
Twostep equations
Khan exercise:
Twostep equations word problems
Worksheet #1

Answers
Worksheet #2

Answers
2.2.1b
Solving linear equations with more than one variable
Explanation
Notes

Annotated
Balance Modeling:
Math Playground:
Model Algebra
Balance when Adding and Subtracting
Khan video:
Why we do the same thing to both sides: Variable on both sides
Khan videos:
Introduction to solving an equation with variables on both sides
Khan videos:
How to solve an equation with variables on both sides (20  7x = 6x  6)
Khan video:
Equation with variables on both sides: fractions
(honors)
Khan videos:
Equations with parentheses
Khan video:
Ex 2: Distributive property to simplify
(honors  clearing fractions)
Khan video:
Number of solutions to equations
Khan video:
Worked example: number of solutions to equations
Khan video:
Sums of consecutive integers
(honors)
Practice Problems:
Khan exercise:
Equations with variables on both sides
Khan exercise:
Equations with variables on both sides: decimals & fractions
(honors)
Khan exercise:
Equations with parentheses
Khan exercise:
Equations with parentheses: decimals & fractions
(honors)
Khan exercise:
Sums of consecutive integers
(honors)
Khan exercise:
Number of solutions to equations
Khan exercise:
Number of solutions to equations challenge
(honors)
Worksheet #1

Answers
Worksheet #2

Answers
2.2.2a Standard form: Write equations in standard form given a context, find the x and yintercepts, and graph
Explanation:
Khan article:
Intercepts of lines review (xintercepts and yintercepts)
Khan video:
Intro to intercepts
Khan video:
Finding the xintercept of a line
Khan video:
Intercepts from an equation
Khan video:
Finding intercepts from a table
(honors only)
Khan video:
Graphing a linear equation: 5x+2y=20
Khan video:
x and yintercepts 2
(from an equation in standard form)
Khan video:
Intro to linear equation standard form
Practice Problems:
Khan exercise:
Intercepts from a graph
Khan exercise:
Intercepts from an equation
Khan exercise (challenge):
Intercepts from a table
(honors)
Khan exercise:
Graph from linear standard form
worksheet #1
worksheet #2
2.2.2b Convert standard form and slopeintercept form
Explanation:
Khan video:
Intro to linear equation standard form
Khan article:
Standard form review
Khan video:
Converting from slopeintercept to standard form
Khan video:
Converting to slopeintercept form
Khan video:
Writing linear equations in all forms
Khan article:
Forms of linear equations review
Practice Problems
Khan exercise:
Convert linear equations to standard form
Khan exercise:
Slope from equation
Khan exercise:
Linear equations in any form
(easier if pointslope is used)
worksheet #1
worksheet #2
Desmos Activity:
Linear Equations Card Sort
(for teachers only)
2.2.2c Literal Equations (honors)
Explanation:
Notes
 Annotated
Khan video:
Manipulating formulas: perimeter
Khan video:
Manipulating formulas: area
Khan video:
Manipulating formulas: temperature
Khan video:
Linear equations with unknown coefficients
(honors only)
Practice Problems:
Khan exercise:
Manipulate formulas
(honors)
Khan exercise:
Linear equations with unknown coefficients
(honors only)
Worksheet #1
Worksheet #2
2.2.3 Solving linear inequalities
Explanation:
Khan video:
Plotting inequalities
Khan video:
Plotting an inequality example
Khan video:
Inequalities word problems
Khan video:
Onestep inequalities examples
(explanation of how to solve inequalities by multiplication and division with a brief rationale why)
Khan video:
Onestep inequalities: 5c ≤ 15
Khan video:
Inequalities using addition and subtraction
Khan video:
Constructing and solving a onestep inequality
(multiplication and division)
Khan video:
Inequalities with variables on both sides
Khan video:
Inequalities with variables on both sides (with parentheses)
Khan video:
Multistep inequalities
Practice Problems:
Khan exercise:
Plotting inequalities
Khan exercise:
Inequalities word problems
Khan exercise:
Onestep inequalities
Khan exercise:
Twostep inequalities
Khan exercise:
Twostep inequalities word problems
(honors: extra credit)
Khan exercise:
Multistep linear inequalities
(honors)
Desmos Activity:
Point Collector
(teacher use only)
Worksheet #1
Worksheet #2
2.2.4 Solving compound linear inequalities (and/or)
Explanation
Khan video:
Compound inequalities: OR
Khan video:
Compound inequalities: AND
Khan video:
A compound inequality with no solution
Khan video:
Double inequalities
(compact form)
Khan video:
Compound inequalities examples
Khan article:
Compound inequalities review
Practice Problems:
Khan Exercise:
Compound Inequalities
(honors: extra credit)
Desmos Activity:
Compound Inequalities on the Number Line
(Teacher use only)
Worksheet #1
Worksheet #2
Honors. Solving linear absolute value equations
Explanation:
Annotated Notes
Khan video:
Intro to absolute value equations and graphs
(stop at 5:56)
Khan video:
Worked example: absolute value equations with one solution
Explanation
Worksheet #1

Answers
Worksheet #2

Answers
Honors. Solving linear absolute value inequalities
Explanation:
Khan video:
Intro to absolute value inequalities
Khan video:
Solving absolute value inequalities 2
(less than)
Khan video:
Absolute value inequalities word problem
Practice Problems:
Review:
Review WS#1
Review WS#2

Answer
Honors Review WS #1
Honors Review WS #2

Answers
Jeopardystyle review game:
solving absolute value equations and inequalities
Equation Solver
by Shodor (Java)  Interactive website for solving multistep linear equations with stating the property
Algebra Quiz
by Shodor  Timed practice problems (Java)
Cumulative Review WS#3