LEARN NC

K–12 teaching and learning · from the UNC School of Education

About this resource

Appropriate grades
8
Provider
National Council of Teachers of Mathematics

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In this lesson from Illuminations, students explore the relationships among lines, slopes, and y-intercepts using the real-world situation of the printing of their textbook. They use data presented in tables, graphs, and equation form for problem solving.

North Carolina Curriculum Alignment

Mathematics (2004)

Grade 8

  • Goal 4: Data Analysis and Probability - The learner will understand and use graphs and data analysis.
    • Objective 4.01: Collect, organize, analyze, and display data (including scatterplots) to solve problems.
  • Goal 5: Algebra - The learner will understand and use linear relations and functions.
    • Objective 5.01: Develop an understanding of function.
      • Translate among verbal, tabular, graphic, and algebraic representations of functions.
      • Identify relations and functions as linear or nonlinear.
      • Find, identify, and interpret the slope (rate of change) and intercepts of a linear relation.
      • Interpret and compare properties of linear functions from tables, graphs, or equations.
    • Objective 5.02: Write an equation of a linear relationship given: two points, the slope and one point on the line, or the slope and y-intercept.