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  • Area
28 and It's Upward and Onward
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In this open-ended investigation, students use visualizing skill and work systematically to explore surface area. Learners use linking cubes to build three-dimensional objects with exactly 28 faces exposed. Ideas for implementation, extension and support are included.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
NRICH
Date Added:
12/05/2009
Remix
36 Fences (YouCubed)
Conditional Remix & Share Permitted
CC BY-NC
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This is an interactive 3rd grade lesson plan to reinforce 3.MD.5, 3.MD.6, and 3.MD.7 the concept of area. "farm scene" by Christian Collins is licensed under CC BY-SA 2.0.

Subject:
Elementary Mathematics
Material Type:
Lesson Plan
Author:
Shelly
Date Added:
04/11/2022
3rd Grade - Unknown Dimensions of Squares and Rectangles
Conditional Remix & Share Permitted
CC BY-NC-SA
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This short video and interactive assessment activity is designed to teach third graders about given the perimeter, find the side length and area - squares.

Subject:
Elementary Mathematics
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
Date Added:
06/25/2018
Area Builder
Unrestricted Use
CC BY
Rating

Create your own shapes using colorful blocks and explore the relationship between perimeter and area. Compare the area and perimeter of two shapes side-by-side. Challenge yourself in the game screen to build shapes or find the area of funky figures. Try to collect lots of stars!

Subject:
Mathematics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Amanda McGarry
Ariel Paul
Beth Stade
Bryce Gruneich
John Blanco
Karina Hensberry (lead)
Kathy Perkins
Date Added:
06/29/2018
Area Model Algebra
Unrestricted Use
CC BY
Rating

Build rectangles of various sizes and relate multiplication to area. Discover new strategies for multiplying algebraic expressions. Use the game screen to test your multiplication and factoring skills!

Subject:
Mathematics
Material Type:
Diagram/Illustration
Game
Interactive
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Amanda McGarry (co-lead)
Amy Hanson (lead designer)
Ariel Paul
Diana Lopez Tavares (artwork)
Jonathan Olson (developer)
Karina Hensberry
Kathy Perkins
Mariah Hermsmeyer (artwork)
Susan Miller
Date Added:
06/29/2018
Area and Perimeter
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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.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
NRICH
Date Added:
04/05/2011
Remix
Area and Perimeter Lesson Plan
Conditional Remix & Share Permitted
CC BY-NC-SA
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This activity is intended to assess your 3rd grade students' ability to find area and perimeter of rectangles and squares. Students will be creating a robot using Google Drawing. They will then find the area and perimeter of each piece of the robot. Once they have found the area and perimeter for each shape in their robot, students will calculate the total area and perimeter of the robot. Photo by Eric Krull on Unsplash

Subject:
Elementary Mathematics
Material Type:
Activity/Lab
Assessment
Interactive
Lesson Plan
Author:
Laura
Date Added:
04/05/2022
Remix
Design Shapes w. Same Area or Perimeter
Conditional Remix & Share Permitted
CC BY-NC
Rating

This lesson plan is intended to support students as their learn how to create 2 different shapes with the same area, but a different perimeter, or vice versa. The lesson plan has a link to a resource online found through eMedia. 

Subject:
Professional Learning
Material Type:
Activity/Lab
Author:
Emily Pace
Date Added:
04/02/2021
Eight Circles
Unrestricted Use
CC BY
Rating

The purpose of this task is to strengthen students' understanding of area. It could be assigned in class to individuals or small groups or given as a homework exercise to generate interesting discussions the following day. The relatively high levels of complexity and technical demand enhance its instructional value.

Subject:
Elementary Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
Fence It
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This series of problems requires students to apply their knowledge of area and perimeter to find the optimal area given a specified amount of fencing. The problems progress in difficulty as new elements are added to the situation, therefore changing the outcome. This page includes tips for getting started, solution, teachers resource page, and a printable problem page.

Subject:
Mathematics
Material Type:
Lecture Notes
Provider:
NRICH
Author:
Millenium Mathematics Project
Date Added:
11/05/2014
Fitted
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This activity gives students the chance to explore area and perimeter in a problem solving setting. Nine differently-sized squares need to be tiled into a rectangular frame of unknown proportions. Three prompts of solving strategies are provided. Ideas for implementation, extension and support are included along with a printable sheet of the problem.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
NRICH
Date Added:
11/05/2011
Hexagonal Pattern of Beehives
Unrestricted Use
CC BY
Rating

The goal of this task is to use geometry study the structure of beehives. Beehives have a tremendous simplicity as they are constructed entirely of small, equally sized walls. In order to as useful as possible for the hive, the goal should be to create the largest possible volume using the least amount of materials. In other words, the ratio of the volume of each cell to its surface area needs to be maximized. This then reduces to maximizing the ratio of the surface area of the cell shape to its perimeter.

Subject:
Secondary Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
01/21/2013
Light Blue - Dark Blue
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This problem provides students the opportunity to explore fractions in a practical context as well as identify and explain patterns and justify their ideas. Solvers are shown a sequence of five squares shaded light blue and dark blue and are asked to find what fraction of the total area of each square is covered by light blue. They are also asked to work out what the next two squares would look like if they followed the pattern. The Teachers' Notes page offers rationale, suggestions for implementation, discussion questions, and ideas for extension and support.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
NRICH
Date Added:
04/05/2003