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IM 6.1.3 Lesson: Reasoning to Find Area - Activities 2 & 3

Each grid square is 1 square unit. Find the area, in square units, of each shaded region without counting every square. Explain your reasoning. If you wish, you can use the diagrams in the app below to help illustrate and support your explanations.

Move and rearrange the triangles from Figure C so they fit inside Figure D.

Find the area of the shaded region(s) of each figure. Explain your reasoning. If you wish, you can use the diagrams in the app below to help illustrate and support your explanations.