Unit 1, Lesson 1# Order rectangles from least to greatest by size using direct comparison

North Carolina Department of Public Instruction 42 min(s)

By the end of the lesson students will be able to use direct comparison and manipulatives to determine the area of rectangles, describe the process of finding the area of rectangles as covering or tiling a two-dimensional surfaceCompare the area of various rectangles. Lesson introduces the students to the concept of the "biggest" rectangle, without any previous discussion of what "biggest" means. Students may discover different ways of thinking about the sizes of the rectangles through the discussion. Provide groups of students with the Ordering Rectangles sets.