Grade 7 - Shape and Space
Standard 7.SS.2 - Find the area of right triangles.
Included Skills: Geometry
Develop and apply a formula for determining the area of: • triangles; • parallelograms; • circles. Students who have achieved this outcome should be able to: A. Illustrate and explain how the area of a rectangle can be used to determine the area of a triangle. B. Generalize a rule to create a formula for determining the area of triangles. C. Illustrate and explain how the area of a rectangle can be used to determine the area of a parallelogram. D. Generalize a rule to create a formula for determining the area of parallelograms. E. Illustrate and explain how to estimate the area of a circle without the use of a formula. F. Apply a formula for determining the area of a given circle. G. Solve a given problem involving the area of triangles, parallelograms and/or circles.