Formulas and equations describe the relationships between quantities. Graphs represent them visually. This chapter emphasizes reading and interpreting graphs.
The Coordinate Plane - 1hr
Graphs of Linear Equations - 1hr
Graphing Using Intercepts - 1−2hrs
Slope and Rate of Change - 1−2hrs
Graphs Using Slope-Intercept Form - 1/2hr
Direct Variation Models - 1hr
Linear Function Graphs - 1/2hr
Use a Graph - 2hrs
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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
- 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.