Finding a Midpoint of a Line Segment

Finding a Midpoint of a Line Segment
Finding a Midpoint of a Line Segment
Finding a Midpoint of a Line Segment
Finding a Midpoint of a Line Segment
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425 KB|7 pages
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Product Description
This lesson engages the students in discovering the formula for the midpoint of a line segment using graphs.

Students first graph some horizontal and vertical line segments locate the midpoint for those segments it is easily found when a line is horizontal or vertical. When two endpoints of a line segment are (-1,4) and (1, 4), the midpoint ends up being (0, 4). When two endpoints of a line segment are (-4, 6) and (-4, -6), the midpoint ends up being (-4, 0). Students are asked to explain how they determined the coordinates for the midpoints.

Then students are given several problems to find the midpoint for line segments that are not horizontal or vertical. By looking at the graph students often can figure out that the coordinates of the midpoint are the average of the two coordinates.

Five practice exercises are included. Graphing the information is encouraged by providing students coordinate grids with each exercise.

A full set of solutions is included.

Comments from Buyers:

• Great, thanks very much.
• Great resource for introducing the midpoint formula.
• Great resource!
• Fantastic resource and I love the scaffolding so that the concept is really clear
Total Pages
7 pages
Answer Key
Included
Teaching Duration
50 minutes
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$3.00
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