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Grade 08 Mathematics - EC: M08.B-E.2.1.3

Grade 08 Mathematics - EC: M08.B-E.2.1.3

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. Which equation best represents the line graphed below?

  1. y = x + 8
  2. y = x
  3. y = x – 1
  4. y = x – 15
  1. Identify the slope and y-intercept for the following equations:
    1. y = 2x + 4
    2. y = -3x
    3. y = x - 1
  1. Given the two equations: y = ½x – 2 and y = ½x, compare and contrast what their graphs would look like.
  2. Describe the graph of y = mx + b.

Answer Key/Rubric

  1. C
  1. Answers as follows:

    1. Slope: 2; y-intercept: (0, 4)
    2. Slope: -3; y-intercept: (0, 0)
    3. Slope: 1; y-intercept: (0, -1)
  1. Acceptable answers may include, but are not limited to:
  • Both graphs will have the same slope of ½
  • The two lines are parallel to one another and will never cross
  • The only difference between these lines is where they cross the y-axis
  • The graph of y = ½x – 2 will cross the y-axis at the point (0, -2)
  • The graph of y = ½x will cross the y-axis at the origin (0, 0)
  1. Acceptable answers may include, but are not limited to:
  • Line has a slope of m
  • Line crosses the y-axis at (0, b)
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