Lesson Plan
Better Lesson

Better Lesson: Finding the Area of a Triangle

For Teachers 6th Standards
Sixth graders find the area of a triangle using square units and the area formula.
Lesson Plan
Better Lesson

Better Lesson: Finding the Area of a Parallelogram

For Teachers 6th Standards
Sixth graders find the area of parallelograms by using square units and the area formula.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Igd: Area of a Rectangle

For Students 3rd - 8th Standards
Use this interactive tool to learn how to find the area of a rectangle. Click on "Instructions" for details on how to use this tool. Click on "Explore" for more ideas.
Unit Plan
CPALMS

Cpalms: Area of Rectangles: A More Efficient Way?

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] In this lesson, students will connect the concepts of counting each square unit and multiplying the side lengths to compute the area of a rectangle. They will extend this knowledge by computing a side...
Handout
Math Open Reference

Math Open Reference: Area of a Square

For Students 9th - 10th Standards
A complete reference guide to finding the area of a square. It provides definitions, examples, and interactive activities that enhance further explanation. Includes links to related topics.
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.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area of a Circle

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the area of a circle given its radius or diameter. Students examine guided notes, review guided practice, watch instructional videos and...
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McGraw Hill

Glencoe: Self Check Quizzes 1 Geometry Area of Rectangles

For Students 9th - 10th
Use Glencoe's randomly generated self-checking quiz to test your knowledge of finding the area of rectangles. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Given the Perimeter Find the Side Length and Area Squares

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area of a square when given the perimeter. CCSS.Math.Content.3.MD.D.8 Solve real world and mathematical problems...
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
Activity
Maths Challenge

Maths challenge.net: Sloping Square

For Students 9th - 10th Standards
A geometry problem of finding the area of a sloped square within a square.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Given the Area Find the Side Length and Perimeter Squares

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to find the perimeter and side length of a square when given the area of a square....
Interactive
Amby Duncan-Carr

Amby's Math Resources: Finding the Area of a Rectangle

For Students 3rd - 7th Standards
The tutorial investigates area and how it is the total number of square tiles covered. Examples and practice problems are included.
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...
Unit Plan
Sophia Learning

Sophia: Finding Area With Squares: Lesson 4

For Students 3rd - 5th Standards
Step by step, this video lesson [4:34] will show you how to add up the number of squares that cover an object in order to find the area of a figure. It is 4 of 7 in the series titled "Finding Area with Squares."...
Unit Plan
Khan Academy

Khan Academy: Area of Rectangles With Fraction Side Lengths

For Students 4th - 6th Standards
Practice computing the areas of rectangles that have fractional side lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Interactive
Shodor Education Foundation

Shodor Interactivate: Area (Elementary)

For Teachers 2nd - 5th Standards
In this lesson students will practice finding the area of rectangular shapes and irregular shapes with right angles and understand why the area formula works for rectangular shapes. CCSS.Math.Content.3.MD.C.5.b A plane figure which can...
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...
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Khan Academy

Khan Academy: Find Area With Partial Unit Squares

For Students 2nd - 4th Standards
Count unit squares and partial unit squares to find the area of shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive step-by-step hints.
Interactive
Other

Math Prof: Area & Volume of a Square Pyramid

For Students 6th - 8th
Use the calculator to find the surface area and volume of a square pyramid, then click on the link to see an explanation with examples.
Activity
AAA Math

Aaa Math: Perimeter of a Square

For Students 3rd - 5th Standards
Students can practice finding the perimeter of squares through the self-check exercises and timed learning games provided on this site.
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
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.
Unit Plan
Khan Academy

Khan Academy: Create Rectangles With a Given Area

For Students 2nd - 4th Standards
Practice finding the area of rectangles by counting unit square. Create rectangles with a given area by covering unit squares. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...