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Insights Into Algebra 1 - Teaching For Learning
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Workshop 2 Linear Functions and Inequalities Lesson Plans
Lesson Plans:

Introduction

Lesson Plan 1: The Phone Bill Problem - Linear Functions

Lesson Plan 2: Hot Dog Sales - Solving Linear Equations and Inequalities
Download the Workshop 2 Guide


Tool Box
Journal
Graphing Calculator
Channel-Talk
NCTM Standards


Lesson Plan 1: The Phone Bill Problem - Linear Functions

Overview Procedures For Teachers Related Standardized Test Questions Materials

Overview:
In this lesson, students will learn how to write an equation of a linear function when given a set of data. They will interpret the meaning of the slope and y-intercept and then use the equation to find other values of x and y.

Time Allotment:
One 50-minute class period

Subject Matter:
Linear functions


Learning Objectives:
Students will be able to:
  • Make sense of a set of data and plot it on a graph.
  • Find the equation of the line that contains the data points.
  • Understand the meaning of the slope and y-intercept.
  • Use the equation to predict other x- and y-values.
Standards:
Principles and Standards for School Mathematics, National Council of Teachers of Mathematics (NCTM), 2000:

NCTM Algebra Standard for Grades 6-8
http://standards.nctm.org/document/chapter6/alg.htm

NCTM Algebra Standard for Grades 9-12
http://standards.nctm.org/document/chapter7/alg.htm
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