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- HSA-REI.A.1Explain each step in solving a simple equation as following from the equality of numbers asserted at the previous step, starting from the assumption that the original equation has a solution. Construct a viable argument to justify a solution method.
- HSA-REI.A.2Solve simple rational and radical equations in one variable, and give examples showing how extraneous solutions may arise.

Solving Equations

Algebra I

Â» Unit:

Understanding Equations

Big Idea:Using algebraic procedures correctly, it is possible to maintain the equivalence between two expressions while simplifying the equation that describes their relationship.

True & False Equations (Day 1 of 2)

Algebra I

Â» Unit:

Understanding Equations

Big Idea:Let's take an in-depth look at what it means for mathematical sentences to be equal.

True & False Equations (Day 2 of 2)

Algebra I

Â» Unit:

Understanding Equations

Big Idea:The structure of an equation gives insight into the number of solutions the equation has.

Review, Justification, and Critique

Algebra I

Â» Unit:

Creating Linear Equations

Big Idea:A recipe for critique: "I like how you did this and that, and here's what I think you should change..."

Non-Linear Systems of Equations

12th Grade Math

Â» Unit:

Conic Sections

Big Idea:Students model their solutions to non-linear systems in multiple ways.

Bring in the Sub!: Solving Systems of Equations in 2 Variables

Algebra I

Â» Unit:

Making Informed Decisions with Systems of Equations

Big Idea:Students complete group work on engaging real-world problems and provide constructive feedback to their peers through a gallery walk!

Keeping Your Identity

8th Grade Math

Â» Unit:

Solving Linear Equations in One Variable

Big Idea:The proof is in the pudding, or in this case the identity properties. Learn they "why" behind how we solve equations.

Solving and Proving Compound Inequalities

Algebra I

Â» Unit:

Its Not Always a Straight Answer: Linear Equations and Inequalities in 1 Variable

Big Idea:Students actively engage in the note-taking process to master an important skill in Algebra!

Laws of Logarithms and Real Applications

Algebra II

Â» Unit:

Exponential and Logarithmic Functions

Big Idea:This lesson provides the students with additional support on the properties of logarithms. It concludes with an introductory problem set involving exponential equations.

Mortgages and Geometric Series DAY #3

Algebra II

Â» Unit:

Sequences and Series

Big Idea:Students will work as bankers explaining how a mortgage payment is calculated to an acting client.

Mortgages and Geometric Series DAY #2

Algebra II

Â» Unit:

Sequences and Series

Big Idea:Mortgages made easy with knowledge of a geometric series!

Mortgages Wrap-up and Additional Scaffolding

Algebra II

Â» Unit:

Sequences and Series

Big Idea:A time of reflection over an in-depth mathematical investigation - coupled with additional practice and skill building.

I Absolute(ly) Don't Care About Direction: Solving and Proving Absolute Value Equations and Inequalities

Algebra I

Â» Unit:

Its Not Always a Straight Answer: Linear Equations and Inequalities in 1 Variable

Big Idea:Stock trading is utilized as an entry point for students to explore the strange and wonderful world of absolute value equations and inequalities.

Job Offers and Cell Phone Plans: Making Informed Decisions with Mathematics

Algebra I

Â» Unit:

Making Informed Decisions with Systems of Equations

Big Idea:Students learn to act as knowledgeable consumers as they model cell phone plans and make decisions about which plan best meets their needs.

Proving It

Geometry

Â» Unit:

Line-sanity!

Big Idea:This lesson begins to builds students understanding of proofs using Algebra and Geometry.

HSA-REI.A.1

Explain each step in solving a simple equation as following from the equality of numbers asserted at the previous step, starting from the assumption that the original equation has a solution. Construct a viable argument to justify a solution method.

HSA-REI.A.2

Solve simple rational and radical equations in one variable, and give examples showing how extraneous solutions may arise.