Lessons for 3.MD.C.7D
Area of composite figures and shaded regionsSplit into pieces you know, add or subtract.Lesson
Area of rectangles and squaresRows of unit squares: length times width, and why.Lesson
Splitting a figure into rectanglesBreaking an L shaped or stepped figure into rectangles and adding their areasLesson
Printable Worksheets
Area of composite figures and shaded regions worksheet (PDF)Printable worksheet with answer keyPreview
Area of rectangles and squares worksheet (PDF)Printable worksheet with answer keyPreview
Splitting a figure into rectangles worksheet (PDF)Printable worksheet with answer keyPreview