Lesson Plan: Calculating Perimeter Mathematics
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to calculate the perimeters of composite shapes.
Objectives
Students will be able to
- find the perimeters of composite shapes made of rectangles and squares,
- find the perimeters of composite shapes made of rectangles and triangles,
- find the perimeters of composite shapes where side lengths are missing,
- find the perimeters of shapes where the dimensions are given in different units,
- solve two-step problems by calculating perimeters.
Prerequisites
Students should already be familiar with
- adding and subtracting whole numbers up to 1,000,
- doubling and halving within 1,000,
- naming line segments by their endpoints,
- converting between meters, centimeters, and millimeters.
Exclusions
Students will not cover
- calculating areas.