## Common Core State Standards for Mathematics

Grade(s) 3 resources related to the following standard:
Measurement and Data
Geometric measurement: recognize perimeter as an attribute of plane figures and distinguish between linear and area measures.
8. Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters.

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This 60-page pdf document demonstrates the connections between the CCSS content standards and the mathematical practice standards. It is a compilation of research, standards from several states, instructional strategies, common misconceptions, and examples for each standard at the grade 3 level. It is intended to help teachers understand what each standard means in terms of what students must know and be able to do. Additional flip books are cataloged separately for grades K-2 and 4-5.
Instructional Strategy, Reference Materials
This web page provides links to resources aligned to the CCSS that guide and support third grade mathematics teaching and learning. Tasks developed by the Mathematics Assessment Resource Service (MARS) and Problems of the Month, (POM home page is cataloged separately) developed by the Noyce Foundation are included. The tasks were designed to measure students’ ability to solve non-routine problems, explain and justify their solutions, and promote high level thinking skills. They include the scoring rubric, student responses, and discussion of student understanding and misconceptions. Resources are listed for specific grade 3 standards and are also organized by progression for an alternate search route.
Instructional Strategy, Problem Set, Reference Materials
This page provides examples of 3rd Grade Measurement and Data activities aligned with the Common Core State Standards. A CCSS standard is stated and the possible activities are listed below and linked. All activities are suitable for use in Math Centers, small group, or whole class settings and are designed to elicit a range of responses and provide opportunities for students to communicate their reasoning and mathematical thinking. Instructions for each task are typed in large print and written in child-friendly language to enable students to work on activities independently after a brief introduction to the task. All files for 3rd Grade Measurement and Data Activities listed are in PDF format.
Activity
This interactive Java applet allows users to explore relationships between shapes with a fixed perimeter and variable area. Random irregular shapes or rectangles with a fixed perimeter are displayed on a grid, and then the user enters the area of the figure. An optional scoring feature allows users to keep track of the number correct.
Interactive Media
This activity reinforces the concepts of area and perimeter and their independent relationship. Students analyze and compose shapes made from unit squares that satisfy area and perimeter specifications. Ideas for implementation, extension and support are included along with printable sheets and shape cards.
Activity
This 5-minute video addresses the relationship of the measures area and perimeter. It gives several examples of rectangles that have the same area measure and different perimeters. Labels are shown and calculations explained.
Demonstration, Video
This question and answer service for math students and their teachers offers a searchable archive all about measurement at the elementary level.
Reference Materials, Community
Grade Level: 3, 4, 5, 6+