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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...
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Activity
Texas Instruments

Texas Instruments: Greatest Area Activity

For Teachers 6th - 8th
A classic problem looking at maximizing the area of rectangles given fixed perimeters. Uses graphing calculators to analyze data collected and to model a parabolic equation. Compiling class data provides a preliminary glance at families...
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: Market Place: Area

For Students 5th - 6th Standards
On this interactive site students learn to calculate the area of a rectangle and to use the correct notation.
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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.
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Unit Plan
Texas Education Agency

Texas Gateway: Determining Area of Composite Figures

For Students 7th - 8th
Given composite figures (combinations of rectangles, squares, parallelograms, trapezoids, triangles, semicircles, and quarter circles), students will be able to determine expressions for the area as well as calculate the area of the figure.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Areas of Rectangular Composite Figures Overlap 1

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video and practice questions where students are presented with one or more smaller rectangles within a larger one. They must calculate the area of the larger...
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Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Lesson: Area

For Teachers 9th - 10th Standards
This lesson plan helps students explore the mathematical concept of area and features resource links to further learning. CCSS.Math.Content.3.MD.C.7.a Find the area of a rectangle with whole-number side lengths by tiling it
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Activity
Texas Instruments

Texas Instruments: Getting Started With Area Formulas App

For Teachers 9th - 10th Standards
Calculate the Area of a Trapezoid This Concept Handheld Software Application reviews the definition and area formula for the rectangle, square, parallelogram, triangle, trapezoid, and circle.
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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.
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Activity
National Council of Teachers of Mathematics

The Math Forum: Seventh Grade Math: Area and Perimeter

For Students 6th - 8th
Learn how to enlarge drawings, figure out how much tile to buy to cover a specific floor, and learn about area and perimeter. These and other lesson plans are provided, including a fun interdisciplinary plan featuring dragons.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Areas of Rectangular Composite Figures Overlap 2

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video and practice questions where students are presented with a rectangle that has shaded areas. They must calculate the area of the unshaded region. [1:48]
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.rp Converting Square Units

For Teachers 6th Standards
In this task, 6th graders must inches to feet in order to find the area of a rectangular board and explain the error in the calculations made by the board owner. Aligns with 6.RP.A.3.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.g Painting a Barn

For Teachers 6th Standards
This task asks students to determine the area of the exterior walls of a barn and to calculate how many gallons of paint would be needed to cover them, as well as the cost of the paint. Aligns with 6.G.A and 6.RP.A.3.
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Activity
Texas Instruments

Texas Instruments: Sums of Rectangle Areas: Approximate Integrals

For Teachers 9th - 10th
This activity will show a function with rectangle areas on the graphing calculator.
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Interactive
Mangahigh

Mangahigh: Shape: Find the Area of a Rectangle

For Students 5th - 7th Standards
Calculate the area of a rectangle.
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Interactive
Fun Brain

Fun Brain: Shape Surveyor (Area and Perimeter of Rectangles)

For Students 3rd - 6th Standards
Players are given the lengths of two sides of a series of rectangles and must calculate the area or perimeter of each rectangle.
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Interactive
Calculator Soup

Calculator Soup: Rectangle Calculator

For Students 9th - 10th
Use this calculator if you know 2 values for the rectangle, including 1 side length, along with area, perimeter, or diagonals and you can calculate the other 3 rectangle variables. A square calculator is a special case of the rectangle...
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Interactive
Calculator Soup

Calculator Soup: Parallelogram Calculator

For Students 9th - 10th Standards
Calculate certain variables of a parallelogram depending on the inputs provided. Calculations include side lengths, corner angles, diagonals, height, perimeter, and area of parallelograms.
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Interactive
Calculator Soup

Calculator Soup: Cubic Yards Calculator

For Students 9th - 10th
Use this calculator to calculate cubic yards volume for a variety of different areas. Enter measurements in US units or metric units. Calculate volume from your measurements in inches (in), feet (ft), yards (yd), centimeters (cm), or...
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Whiteboard
ClassFlow

Class Flow: Review of Area

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This flipchart is a review of calculating the area of squares, rectangles, and triangles for fifth graders. It also includes problems that work backwards from the area to find missing dimensions. It...
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Unknown Type
Math Slice

Math Slice: Area & Perimeter: Math Worksheets

For Students 3rd - 5th Standards
This tool allows you to create worksheets of word problems at varying levels of difficulty where students must calculate the area or perimeter of different polygon shapes. You can choose to set up the page using any of these polygon...
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Activity
Annenberg Foundation

Annenberg Learner: Math in Daily Life: Home Decorating

For Students 9th - 10th
This exhibit is designed to show students that geometry really does apply to the real world. By taking viewers through a home decoration project, students learn how to calculate area of a rectangle and circle.
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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.
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Lesson Plan
PBS

Pbs Learning Media: Math + Arts: Dance Space

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