It is a good idea to use a unit plan template to guide your work, or to start with an existing high-quality unit and lesson plan. Lesson plan templates for area and fractions are provided as starting points, and some additional examples are provided below.
Grade 3 Area of Rectangles and Squares
(Bill Jackson, Prieto Academy, IL, July 2012)
Grade 4 Finding the Area of Shapes
(Akihiko Takahashi, Brewer Island School, CA, 2002)
Grade 3-5 Fractions
(Akihiko Takahashi, Mills College Children’s School, CA, 2008)