Elementary Mathematics

4th Grade Unit 2 Overview and Standards

Use these links to access resources for this unit.

Before You Begin This Unit...
  Unit at a Glance

In 3rd Grade, students focused on learning the concept of area, developing a solid understanding of what area is and how it is measured (particularly with the use of square tiles). This unit will give teachers the opportunity to learn what students know and need to know about area through a variety of open-ended tasks. Teachers should become aware of which can students recognize the row-by-column structure of the rectangular arrays they build and watch for students’ ability to connect this idea to a multiplicative relationship. You might hear students explain: “I count the number of squares in one row and repeatedly add that number (multiply) by how many rows I have.” These concepts are critical to students’ understanding of area as a foundation to build upon in later units. For more information about how to differentiate the tasks in this unit based on your students’ understanding, read the Common Core State Standards Progression document, pages 15-18. (see link below)

CCSS-M Progression Geometric Measurement

Suggested Dates:
September 15- September 19

Estimated Duration:
5 days

5 Lesson Unit:
Day 1- Ordering Rectangles
Day 2- Working with Rectangles
Day 3- Missing Dimensions
Day 4- Rectilinear Figures
Day 5- Rectilinear Figures 
 Standards Addressed in the Unit

4.MD.3 Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.

Link to the CCSS Unpacking Document- Updated Sept. '15