Same Base and Height, Variation 1

This task is a good precursor to students developing the formula for the area of a triangle. The fact that each triangle has the same area can be used to highlight the meaning of the components of the area formula, as well as the meaning of the altitude of a triangle (an issue since the given triangles are not acute.) Students may try to determine the area of each triangle by counting the square units or using the "surround and subtract" method. Students may think that triangle ABC has the largest area because the others appear thinner.
Resource ID#: 43018 Type: Problem-Solving Task
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General Information

Subject(s): Mathematics
Grade Level(s): 6
Intended Audience: Educators educators
Instructional Time: 15 Minute(s)
Keywords: Same Base and Height Variation 1, base, height, cpalms, icpalms, illustrativemathematics.org, illustrative mathematics, tasks, mathematics, math, resource, free, freely available, problems-based learning, student activities, triangle, area
Instructional Component Type(s): Problem-Solving Task
Resource Collection: Illustrative Mathematics

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