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Chapter 4: TE Graphs of Equations and Functions

Difficulty Level: At Grade Created by: CK-12

Overview

Formulas and equations describe the relationships between quantities. Graphs represent them visually. This chapter emphasizes reading and interpreting graphs.

Suggested pacing:

The Coordinate Plane - 1hr
Graphs of Linear Equations - 1hr
Graphing Using Intercepts - 12hrs
Slope and Rate of Change - 12hrs
Graphs Using Slope-Intercept Form - 1/2hr
Direct Variation Models - 1hr
Linear Function Graphs - 1/2hr
Problem-Solving Strategies:
Use a Graph - 2hrs

If you would like access to the Solution Key FlexBook for even-numbered exercises, the Assessment FlexBook and the Assessment Answers FlexBook please contact us at teacher-requests@ck12.org.

Problem-Solving Strand for Mathematics

In this chapter, the problem-solving strategy is to Use a Graph. The examples and review questions encourage students to think about the data presented, to discuss reasonable tolerances for estimates, and to interpret graphs in real-life contexts.

Alignment with the NCTM Process Standards

The NCTM Process Standards in the use of graphs include portions of the communication, connections, and representation standards. One of the key requirements when constructing graphs is to organize and consolidate mathematical thinking in order to display the information accurately (COM.1). Graphing requires recognizing and using connections among mathematical ideas (CON.1) such as independent and dependent variables, appropriate scale when assigning values to the x and yaxes, or patterns and trends in the data displayed.

  • COM.1 - Organize and consolidate their mathematical thinking through communication.
  • COM.3 - Analyze and evaluate the mathematical thinking and strategies of others.
  • CON.1 - Recognize and use connections among mathematical ideas.
  • CON.3 - Recognize and apply mathematics in contexts outside of mathematics.
  • R.1 - Create and use representations to organize, record, and communicate mathematical ideas.
  • R.3 - Use representations to model and interpret physical, social, and mathematical phenomena.

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Difficulty Level:
At Grade
Subjects:
Grades:
Date Created:
Feb 22, 2012
Last Modified:
Aug 22, 2014
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CK.MAT.ENG.TE.1.Algebra-I.4

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