For activities with important visual aids. Unit: 3.2 Area and Multiplication (Grade 3). 3.2 Area and Multiplication Unit Goals Students learn about area concepts and relate area to multiplication and to addition. Section A Goals Describe area as the number of unit squares that cover a plane figure without gaps and overlaps. Measure the area of rectangles by counting unit squares. Section B Goals Explain why the area of a rectangle can be determined by multiplying the side lengths. Solve problems involving the area of rectangles. Section C Goals Find the area of figures composed of rectangles. Read More Lessons Resources Assessments Practice Glossary Lessons Section A: Concepts of