Lesson Plan
Curated OER

I Walk the Line

For Teachers K
Students walk, run, jump, and hop all over and around geometric shapes. They identify the shapes by running to and standing on the called out shape.
Worksheet
Curated OER

Using the Herb Garden at Blakesley Hall

For Students 4th - 8th
For this Blakesley Hall herb garden worksheet, students explore the herb garden at Blakesley Hall. This worksheet gives suggestion for activities while on this field trip.
Lesson Plan
Curated OER

Connections Involving Geometry And Inequalities

For Teachers 9th - Higher Ed
In this math worksheet, students investigate inequalities using problems like: If x and y are randomly determined so that 1 < x < 3 and 4 < y < 7, then what is the probability that | x – y |< 4?
Worksheet
Curated OER

Brain Teaser

For Students 10th - 11th
In this statistics worksheet, students solve word problems using their probability and how many times an event may or may not occur. This worksheet contains 54 questions that are all word problems.
Lesson Plan
Curated OER

Shapes (Geometric)

For Teachers 2nd
Second graders explore various geometric shapes. In this math lesson plan, 2nd graders identify geometric shapes using colors and math problems.
Lesson Plan
Curated OER

Exploring Shapes

For Teachers K - 2nd
Students practice moving over shapes they have designed.
Lesson Plan
Curated OER

Exploring Shapes

For Teachers 1st - 4th
Students practice moving over shapes they have designed. They work on trying to travel around the shapes while practicing their jumping and landing patterns.
Lesson Plan
Curated OER

Make Your Own Shape Puzzles

For Teachers All
Students create their own shape puzzles. They practice putting puzzle pieces together so they fit correctly. They classify and sort the different shapes as they finish the puzzle.
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.
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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.
Interactive
Mangahigh

Mangahigh: Shape: Find the Area of a Rectangle

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

Mangahigh: Shape: Area of a Rectangle

For Students 4th - 7th Standards
Determine the area of a rectangle by multiplying the sides.
Lesson Plan
Google

Google for Education: Area of a Circle

For Teachers 9th - 10th
Students learn to derive the formula for the area of a circle. They learn to relate a circle to a parallelogram and rectangle while learning the concept of infinity as they imagine slicing an circle into infinitesimally small slices.
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Igd: Area of a Parallelogram

For Students 3rd - 8th Standards
This applet will show you how to divide the parallelogram into pieces, arrange them together to form a rectangle, and then use the formula for the area of a rectangle to find the area of the parallelogram.
Lesson Plan
Better Lesson

Better Lesson: Finding the Area of a Rectangle

For Teachers 6th Standards
Sixth graders use the area formula for rectangles to solve real world and mathematical problems.
Activity
Texas Instruments

Texas Instruments: Maximizing the Area of a Rectangle

For Teachers 9th - 10th
This activity is adapted from one of the TI books. Students measure lengths and widths of rectangles and record for the class to see. Each group's rectangle has the same perimeter, but different areas. After a discussion, students make...
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
Handout
Math Open Reference

Math Open Reference: Area of a Rectangle

For Students 9th - 10th Standards
Learn about the area of a rectangle with this helpful reference tool. Provides a detailed definition and interactive activities that enhance further explanation. Includes links to related topics.
Unit Plan
Discovery Education

Discovery Education: Web Math: Find Out Things About a Rectangle

For Students 9th - 10th
WebMath offers a good, basic site for students to practice working with the area and perimeter of a rectangle.
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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...
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.
Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Area Builder

For Students 3rd - 8th Standards
Create shapes using colorful blocks, and explore the relationship between perimeter and area. CCSS.Math.Content.3.MD.C.7.a Find the area of a rectangle with whole-number side lengths by tiling it
Activity
Texas Instruments

Texas Instruments: Perimeter of a Rectangle With Fixed Area

For Teachers 9th - 10th
Students will investigate the relationship between the base of a rectangle with area of 35 or 36 and its perimeter.