This is the second version of a task asking young scholars to find the areas of triangles that have the same base and height. This presentation is more abstract as students are not using physical models. They still determine the area of each triangle by counting the square units or using the "surround and subtract" method, but it is a good lead-up for young scholars to think about the formula for the area of a triangle and notice that the length of bases and altitudes are the same. Aligns with 6.G.A.1.

Concepts

area, area of polygons, area of triangles, polygons, triangles

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Additional Tags

geometry, 6.g.a.1, cc by-nc-sa 4.0, creative commons attribution-noncommercial-sharealike 4.0, triangle

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Classroom Considerations

• Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
• The intended use for this resource is Instructional

Common Core

6.G.A.1 5.NF.B.4.b