Unit Plan
Khan Academy

Khan Academy: Area of Rectangles

For Students 2nd - 4th Standards
Find area of rectangles and squares by multiplying side lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
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
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
National Council of Teachers of Mathematics

Nctm: Illuminations: Area of Rectangles

For Students 3rd - 5th Standards
This applet allows for the exploration of the area of rectangles.
Handout
Quia

Ixl Learning: Area of Rectangles

For Students 3rd - 5th Standards
Brush up on your math skills relating to the area of rectangles then try some practice problems to test your understanding.
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.
Unknown Type
Khan Academy

Khan Academy: Area & Perimeter of Rectangles Word Problems

For Students 3rd - 5th Standards
Find the missing side length of a rectangle when given its perimeter or area. Compare perimeters and areas of rectangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Lesson Plan
Better Lesson

Better Lesson: Area of Composite Shapes

For Teachers 6th Standards
Sixth graders take their knowledge about area of rectangles, squares and triangles and apply it to parallelograms, trapezoids, and composite shapes.
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.
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: 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...
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...
Unknown Type
Khan Academy

Khan Academy: Practice: Area & Perimeter of Rectangles Word Problems

For Students 4th - 5th Standards
Word problems are provided for practice with area & perimeter of rectangles. Immediate feedback is given and hints or a video are available if needed.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Area Compare [Pdf]

For Students 3rd - 4th
Area Compare is a learning activity that applies the skills to create, find, and compare the areas of rectangles.
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.
Study Guide
Oswego City School District

Regents Exam Prep Center: Area of Polygons and Circles

For Teachers 3rd - 6th Standards
How would you find the area of a polygon or circle? Explore this concept with engaging activities at this test prep site. Here you will find detailed problem solving strategies with accompanying visuals, a reference table with formulas,...
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 and Perimeter of Rectangles

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to find the area and perimeter of rectangles and squares. Students examine guided notes, review guided practice, watch instructional...
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: 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]
Handout
Quia

Ixl Learning: Area of Rhombuses

For Students 6th - 7th Standards
Brush up on your math skills relating to the area of rhombuses then try some practice problems to test your understanding.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Perimeter of Squares and Rectangles

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 finding the perimeter of rectangles and squares.
Whiteboard
ClassFlow

Class Flow: Perimeter & Area of Rectangles & Parallelograms

For Teachers 6th - 8th Standards
[Free Registration/Login Required] In this flipchart, students will investigate the area and perimeter of rectangles and parallelograms. This is an interactive lesson and also includes an assessment.
Activity
Texas Instruments

Texas Instruments: Perimeter, Circumference, and Area

For Teachers 9th - 10th Standards
Students find perimeters of rectangles and squares, as well as circumferences of circles. Students find areas of rectangles, squares, and circles. [Requires Adobe Reader.]

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