Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Partitioning Composite Figures Into Rectangles to Find Area 1

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to partition a shape into rectangles and add their areas together to get the area of the whole figure. Includes video...
Activity
BBC

Bbc: Area in General

For Students 4th - 7th Standards
You can pick up some valuable pointers on how to find the area of a triangle, rectangle, and other quadrilaterals. When you finish working your way through the pages you can take an on-line "Test Bite," and check your understanding.
Lesson Plan
Better Lesson

Better Lesson: Area in Real Life With Irregular Polygons

For Teachers 3rd Standards
Dividing an irregular shape into rectangles helps students find the area of an irregular shape.
Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Area and Perimeter

For Students 6th - 8th
This multimedia Learn Alberta math resource looks at area and perimeter and how math is involved in the operations of a ranch. The accompanying interactive component lets students investigate a variety of rectangles to get a target...
Unit Plan
Khan Academy

Khan Academy: Area and the Distributive Property

For Students 2nd - 4th
Use area models to represent the distributive property in finding area of rectangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.g Polygons in the Coordinate Plane

For Teachers 5th - 8th Standards
The purpose of this task is for students to practice plotting points in the coordinate plane and finding the areas of polygons. This task assumes that students already understand how to find areas of polygons by decomposing them into...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Rectangle Perimeter 1

For Teachers 5th - 8th Standards
This tasks gives a verbal description for computing the perimeter of a rectangle and asks the students to find an expression for this perimeter. They then have to use the expression to evaluate the perimeter for specific values of the...
Unit Plan
Khan Academy

Khan Academy: Represent Rectangle Measurements

For Students 3rd - 5th Standards
Label the given measurements in a diagram. Find the side length of a square when given the area. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Find a Missing Side Length When Given Area of a Rectangle

For Students 3rd - 5th
In this exercise, students find a missing side length when given area of a rectangle. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area and Perimeter of Rectangles

For Students 6th - 8th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson, students find the perimeter and area of squares and rectangles by using formulas. Students examine guided notes, review guided practice, watch...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area of Squares and Rectangles

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the area of squares and rectangles. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area of a Parallelogram

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the area of a parallelogram given its base and height. Students examine guided notes, review guided practice, watch instructional videos...
Activity
National Council of Teachers of Mathematics

The Math Forum: Find the Area of the Shape!

For Students 3rd - 8th Standards
Try to figure out the area of this challenging shape. In order to view the images, you will need to use JavaSketchpad.
Lesson Plan
Other

Nearpod: Area & Perimeter: Rectangle

For Teachers 3rd Standards
In this instructional activity on area and perimeter, 3rd graders will learn how to find the area and perimeter of rectangles by applying formulas.
Whiteboard
ClassFlow

Class Flow: Surface Area

For Teachers 6th - 8th Standards
[Free Registration/Login Required] In this lesson students learn how to find surface area of rectangular and triangular solids.
Activity
Maths Challenge

Maths challenge.net: Rectangular Circles

For Students 9th - 10th Standards
An area problem involving finding the area of a rectangle and a circle. The problem may be made into a general proof as well.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Patios

For Students 3rd - 8th Standards
Does bigger perimeter mean bigger area? Answer this question when you try this math challenge from the NCTM Math Challenges for Families series. Discover how understanding area and perimeter can be useful in real world situations.
Lesson Plan
PBS

Pbs Learning Media: Math + Arts: Dance Space

For Students K - 1st
In this lesson, students students explore locomotor and non-locomotor movement and calculate the area needed to perform the African-American dance Zudio.
Lesson Plan
Other

Nearpod: Geometry: Fall Edition

For Teachers 3rd
In this activity, 3rd graders will use multiplication to find the area of a rectangle.
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 3.md the Square Counting Shortcut

For Teachers 2nd - 4th Standards
This is a rectangle subdivision task; ideally instead of counting each square. students should break the letters into rectangles, multiply to find the areas, and add up the areas. Aligns with 3.MD.C: CCSS.Math.Content.3.MD.C.6 Measure...