Lessons for 3.MD.C.7B
The area modelA rectangle whose side lengths are the factors and whose area is the product.Lesson
Area of rectangles and squaresRows of unit squares: length times width, and why.Lesson
Printable Worksheets
The area model worksheet (PDF)Printable worksheet with answer keyPreview
Area of rectangles and squares worksheet (PDF)Printable worksheet with answer keyPreview