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Grade 08 Mathematics - EC: M08.D-S.1.1.3

Grade 08 Mathematics - EC: M08.D-S.1.1.3

Continuum of Activities

Continuum of Activities

The list below represents a continuum of activities: resources categorized by Standard/Eligible Content that teachers may use to move students toward proficiency. Using LEA curriculum and available materials and resources, teachers can customize the activity statements/questions for classroom use.

This continuum of activities offers:

  • Instructional activities designed to be integrated into planned lessons
  • Questions/activities that grow in complexity
  • Opportunities for differentiation for each student’s level of performance

Grade Levels

8th Grade

Course, Subject

Mathematics

Activities

  1. A line of best fit drawn for a scatterplot representing the number of chapters (x) in a book and the total number of pages (y) has an equation of y = 12x.  What is the slope of this line and what does it mean?
  1. A line of best fit drawn for a scatterplot representing the number of chapters (x) in a book and the total number of pages (y) has an equation of y = 12x.  What is the y-intercept of this line and what does it mean?
  1. You have a savings account into which you plan to deposit the same amount of money each month.  The total amount in the account, y, after x months is represented by the equation y = 125x + 1200.  What is the amount you are depositing monthly?  Why?  How much will be in your account after a year?  Show your work.
  1. Use the given equation y = -200x + 2400 to come up with a situation it could represent.  Explain.

Answer Key/Rubric

  1. The slope is which means an average of 12 pages per chapter.
  1. The y-intercept is (0, 0), which means on average a book with 0 chapters has 0 pages.
  1. You are depositing $125 each month, which is the slope of the equation.  You will have $2700 in your account after a year (12 months).
    Student work may include, but is not limited to:

  1. Answers will vary.  Student examples should include a slope of -200 and a starting point of 2400.
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