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This lesson will use a slide presentation to facilitate teaching students how to find the slope of a line when given the graph of the line or two points. Students will interact with the presentation in two ways: first, by taking notes and practicing examples, and second, by linking to a slope activity on the Internet. This lesson may be done in one ninety-minute block or broken up over two fifty-minute periods. This lesson would be incorporated in a unit on graphing linear equations.
Primary Learning Objective(s):
Students will determine the slope of a line when given a graph of the line. Students will draw a line when given its slope and a point on the line. Students will compute the slope of a line when given two points on the line.
Additional Learning Objective(s):
Students will define slope. Students will associate slope with the following terminology: rise over run, vertical change over horizontal change, tilt, and inclination.
61 to 90 Minutes
Materials and Resources:
Copies of slope worksheet 1 and 2 (attached), graph paper, classroom set of white boards (optional)
Technology Resources Needed:
Computer with Internet access and presentation software, LCD projector or other computer projection device, SmartBoard (optional)
The unit on graphing linear equations usually follows a unit that introduces linear equations. Students should be able to graph equations by finding points using tables. Teacher should practice with the presentation software before using and make sure the web link is still active.
The two worksheets can be graded. An alternative would be to use the worksheets as practice only and give students a short quiz the day following the completion of the lesson.
Students who need extra assistance may complete a geoboard activity to help develop the concept of slope.
Each area below is a direct link to general teaching strategies/classroom
for students with identified learning and/or behavior problems such as: reading
or math performance below grade level; test or classroom assignments/quizzes at
a failing level; failure to complete assignments independently; difficulty with
short-term memory, abstract concepts, staying on task, or following directions;
poor peer interaction or temper tantrums, and other learning or behavior problems.