This modeling task is focused on finding rectilinear area of two figures.

- Subject:
- Education
- Elementary Education
- Mathematics
- Measurement and Data
- Material Type:
- Activity/Lab
- Assessment
- Homework/Assignment
- Date Added:
- 11/20/2018

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Conditional Remix & Share Permitted

CC BY-NC-SA
This modeling task is focused on finding rectilinear area of two figures.

- Subject:
- Education
- Elementary Education
- Mathematics
- Measurement and Data
- Material Type:
- Activity/Lab
- Assessment
- Homework/Assignment
- Date Added:
- 11/20/2018

Conditional Remix & Share Permitted

CC BY-NC-SA
This modeling task is focused on finding rectilinear area of two figures.

- Subject:
- Education
- Elementary Education
- Mathematics
- Measurement and Data
- Material Type:
- Activity/Lab
- Assessment
- Homework/Assignment
- Date Added:
- 08/16/2018

Conditional Remix & Share Permitted

CC BY-NC-SA
This task challenges students to find the area of different sections of a garden and the entire garden. With missing lengths and widths, the students are challenged to apply computation skills to finding missing measurements.

- Subject:
- Education
- Mathematics
- Material Type:
- Activity/Lab
- Assessment
- Homework/Assignment
- Date Added:
- 08/03/2018

Conditional Remix & Share Permitted

CC BY-NC-SA
This flawed reasoning task addresses misconceptions with determining area.

- Subject:
- Education
- Elementary Education
- Mathematics
- Material Type:
- Activity/Lab
- Assessment
- Homework/Assignment
- Date Added:
- 08/15/2018

Conditional Remix & Share Permitted

CC BY-NC-SA
This task requires students to find the area and perimeter of a rectilinear figure and model their thinking through multiple equations. This task relates to the Common Core State Standards: 3.MD.C.7d, 3.MD.D.8, and 3.OA.D.8.

- Subject:
- Education
- Mathematics
- Material Type:
- Activity/Lab
- Assessment
- Homework/Assignment
- Date Added:
- 05/06/2020

Conditional Remix & Share Permitted

CC BY-NC-SA
This task requires students to find the area of a rectilinear figure and model their thinking through multiple equations. This task relates to the Common Core State Standards: 3.MD.C.7d and 3.OA.D.8.

- Subject:
- Education
- Mathematics
- Material Type:
- Activity/Lab
- Assessment
- Homework/Assignment
- Date Added:
- 08/09/2018

Conditional Remix & Share Permitted

CC BY-NC-SA
- Subject:
- Education
- Mathematics
- Material Type:
- Activity/Lab
- Assessment
- Homework/Assignment
- Date Added:
- 07/20/2021

Unrestricted Use

CC BY
Related to standard AR.Math.Content.3.MD.C.7., this is a multisection lesson for the 3rd grade unit of study on area in relation to multiplication, complete with teacher notes.This lesson is designed to be taught with an 'I Do, We Do, You Do' format. Starting with an introduction slideshow, students will connect multiplication with previous concepts and skills such as repeated addition, skip counting, and equal groups. Then they will see a video and example problems which can be completed together as a class. Allow time for students to read and complete some of these example problems with a partner which will give time for questioning, addressing misunderstandings, and informal interventions. End the lesson with a preview of the next day's independent activity and an exit ticket using a quick image.

- Subject:
- Mathematics
- Material Type:
- Lesson
- Lesson Plan
- Teaching/Learning Strategy
- Author:
- Nicole Norris
- Date Added:
- 07/07/2021

Unrestricted Use

CC BY
Family facing 6th Grade math unit focusing on area and surface area.

- Subject:
- Geometry
- Mathematics
- Material Type:
- Unit of Study
- Provider:
- Illustrative Mathematics
- Date Added:
- 05/11/2020

Unrestricted Use

CC BY
In this unit, students learn to find areas of polygons by decomposing, rearranging, and composing shapes. They learn to understand and use the terms “base” and “height,” and find areas of parallelograms and triangles. Students approximate areas of non-polygonal regions by polygonal regions. They represent polyhedra with nets and find their surface areas.

- Subject:
- Geometry
- Mathematics
- Material Type:
- Unit of Study
- Provider:
- Illustrative Mathematics
- Date Added:
- 05/11/2020

Unrestricted Use

CC BY
Student facing 6th Grade math unit focusing on area and surface area.

- Subject:
- Geometry
- Mathematics
- Material Type:
- Unit of Study
- Provider:
- Illustrative Mathematics
- Date Added:
- 05/11/2020

Use tiles to represent variables and constants, learn how to represent and solve algebra problems. Solve equations, substitute in variable expressions, and expand and factor. Flip tiles, remove zero pairs, copy and arrange, and make your way toward a better understanding of algebra.

- Subject:
- Algebra
- Mathematics
- Material Type:
- Diagram/Illustration
- Interactive
- Simulation
- Author:
- Illuminations National Council of Teachers of Mathematics
- Date Added:
- 05/15/2018

Unrestricted Use

CC BY
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:
- 01/08/2018

Unrestricted Use

CC BY
This simulation gives students the opportunity to explore both area and perimeter of 2-dimensional shapes. Students can explore by creating shapes and having the sim calculate the area and perimeter. They can also play a game where the goal is to create a shape with a specified area or area and perimeter, or to calculate the area and/or perimeter of a given shape.

- Subject:
- Mathematics
- Material Type:
- Activity/Lab
- Provider:
- University of Colorado Boulder
- Provider Set:
- PhET Interactive Simulations
- Author:
- Amanda McGarry
- Ariel Paul
- Beth Stade
- Bryce Gruneich
- John Blanco (developer)
- Karina Hensberry (lead)
- Kathy Perkins
- Date Added:
- 08/08/2022

Unrestricted Use

CC BY
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:
- Algebra
- 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:
- 05/09/2018

Unrestricted Use

CC BY
Build rectangles of various sizes and relate multiplication to area. Partition a rectangle into two areas to discover the distributive property.

- Subject:
- Algebra
- Education
- Elementary Education
- Mathematics
- Numbers and Operations
- 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:
- 05/15/2018

Unrestricted Use

CC BY
Build rectangles of various sizes and relate multiplication to area. Discover new strategies for multiplying large numbers. Use the game screen to test your problem solving strategies!

- Subject:
- Algebra
- Education
- Elementary Education
- Mathematics
- Numbers and Operations
- 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:
- 05/15/2018

Unrestricted Use

CC BY
Student will watch the two video about area and perimeter. After they will construct their own pieces of each from graph paper. They must create their own animal within the graph paper. They will count the squares for the proper area and count along the outside for perimeter.

- Subject:
- Mathematics
- Material Type:
- Lesson Plan
- Author:
- Amy Rosas
- Date Added:
- 03/03/2019

Unrestricted Use

CC BY
This is a lesson for learning about area and perimeter of rectangles.

This corresponds to "College and Career Ready" standard (3.MD.7a) -- Find the area of a rectangle with whole-number side lengths by tiling it, and show that the area is the same as would be found by multiplying the side lengths.

(I was not able to find that standard here.)

- Subject:
- Mathematics
- Material Type:
- Lesson Plan
- Date Added:
- 05/25/2016

Unrestricted Use

CC BY
This is a hands-on guided lesson for relating area to factors. Students will model area of rectangles using Cheez-Its and define factors as the dimensions of the rectangles.

- Subject:
- Mathematics
- Material Type:
- Lesson Plan
- Date Added:
- 08/10/2018