Wednesday, September 03, 2008
Intro to Calculus (Class 3)
Lesson Title
Absolute Value Equations and Inequalities
Overview
The warm-up today continues to focus on interpreting the points on a graph. The lesson for the day focuses on absolute value equations and inequalities and how working with these concepts is made significantly easier when you think geometrically about what the symbols mean.
Textbook Sections
N/A
Vocabulary
inequality
number line graph
absolute value
interval
open interval
closed interval
infinity
union
critical point
inclusive
exclusive
Key Attitudes
Math is about thinking creatively.
Key Ideas
Translating mathematical symbols into English can make solving problems easier.
Absolute value can be used to represent the distance between two points.
Key Skills
I can translate between a number line graph, an inequality, and interval notation.
I can translate between absolute value expressions and English statements about numbers on the number line.
I can solve equations and inequalities involving absolute value by translating the equations or inequalities first into “suto math” and then into an English sentence about numbers on the number line.
Turn-In (#2)
Homework 1
Handouts
Intro to Calc Homework 2
Assignment
Homework 2
Disclaimer- The assignment as stated in class is the official assignment. Every effort is made to keep this posting accurate, but you should refer to what was stated in class as the final word.
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