Absolutely

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Objective

SWBAT solve absolute value equations

Big Idea

Absolute values are used to represent distances

Lesson Author

Mauricio Beltre

Windermere, FL

Grade Level

Ninth grade

Subjects

Math

Algebra

absolute value graphs

Expressions (Algebra)

Standards

6.NS.C.7c

Understand the absolute value of a rational number as its distance from 0 on the number line; interpret absolute value as magnitude for a positive or negative quantity in a real-world situation. For example, for an account balance of â30 dollars, write |â30| = 30 to describe the size of the debt in dollars.

8.EE.C.7

Solve linear equations in one variable.

8.F.A.1

Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output. (Function notation is not required in Grade 8.)

MP2

Reason abstractly and quantitatively.

MP4

Model with mathematics.

MP6

Attend to precision.

MP7

Look for and make use of structure.

MP8

Look for and express regularity in repeated reasoning.