Math Project-Based Learning: Area and Perimeter with Whole Numbers | 3rd Grade

This 5-day project-based math resource applies math concepts in a real-world scenario to teach students about concepts of measurement including calculating area and perimeter of rectangles and rectilinear shapes using whole numbers. In this 5-day unit, students will apply area and perimeter concepts to plan a beach trip for their family and friends. This area and perimeter math project is engaging and authentic. Plus, it’s available as both a digital and print resource.

This project-based math resource covers concepts of area and perimeter measurement and is aligned with the following 3rd Grade Math Common Core State Standards:

CCSS.MATH.CONTENT.3.MD.C.5

• Recognize area as an attribute of plane figures and understand concepts of area measurement.

CCSS.MATH.CONTENT.3.MD.C.6

• Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units).

CCSS.MATH.CONTENT.3.MD.C.7

• Relate area to the operations of multiplication and addition.

CCSS.MATH.CONTENT.3.MD.D.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.

This resource is available in both Printable & Digital Google Slides versions.

What’s included in this resource:

• Background Knowledge: Using a KWL, students will build background knowledge around planning a beach trip.
• Learn About Area of Rectangles: Using the included instructional pages, students will learn what area is and how to correctly find area by tiling with unit squares.
• Learn About Perimeter of Rectangles: Using the included instructional pages, students will learn what perimeter is and how to find perimeter by adding all sides of a shape together.
• Choosing Rectangular Beach Trip Activities: Students will apply concepts of area and perimeter to select rectangular shaped activities for their beach trip.
• Learn About Area of Rectilinear Figures: Using the included instructional pages, students will learn what area is and how to correctly find area of rectilinear shapes by tiling with unit squares.
• Learn About Perimeter of Rectilinear Figures: Using the included instructional pages, students will learn what perimeter is and how to find perimeter of rectilinear shapes by adding all sides of a shape together.
• Choosing Rectilinear Beach Trip Activities: Students will apply concepts of area and perimeter to select rectilinear activities for their beach trip.
• Wrap Up: Students will write up their final beach trip plan and explain their decisions.

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