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Khan Academy
Khan Academy: Area of Rectangles
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.
McGraw Hill
Glencoe: Self Check Quizzes 1 Geometry Area of Rectangles
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...
Khan Academy
Khan Academy: Area of Rectangles With Fraction Side Lengths
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.
CPALMS
Cpalms: Area of Rectangles: A More Efficient Way?
[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...
CK-12 Foundation
Ck 12: Elem Math: Partitioning Composite Figures Into Rectangles to Find Area 1
[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...
National Council of Teachers of Mathematics
Nctm: Illuminations: Igd: Area of a Rectangle
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.
CK-12 Foundation
Ck 12: Elem Math: Areas of Rectangular Composite Figures Overlap 1
[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...
Khan Academy
Khan Academy: Area & Perimeter of Rectangles Word Problems
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...
Texas Instruments
Texas Instruments: Perimeter, Circumference, and Area
Students find perimeters of rectangles and squares, as well as circumferences of circles. Students find areas of rectangles, squares, and circles. [Requires Adobe Reader.]
Amby Duncan-Carr
Amby's Math Resources: Finding the Area of a Rectangle
The tutorial investigates area and how it is the total number of square tiles covered. Examples and practice problems are included.
Khan Academy
Khan Academy: Counting Unit Squares to Find Area Formula
This tutorial includes a video, questions and explanations around using unit squares to see why multiplying side-lengths can also find the area of rectangles.
Khan Academy
Khan Academy: Create Rectangles With a Given Area
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...
Better Lesson
Better Lesson: Finding the Area Review and Assessment
Sixth graders find the area of rectangles, triangles, parallelograms, and trapezoids by using formulas or by composing into rectangles or triangles.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Area Compare [Pdf]
Area Compare is a learning activity that applies the skills to create, find, and compare the areas of rectangles.
National Council of Teachers of Mathematics
The Math Forum: Find the Area of the Shape!
Try to figure out the area of this challenging shape. In order to view the images, you will need to use JavaSketchpad.
Oswego City School District
Regents Exam Prep Center: Area of Polygons and Circles
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,...
Khan Academy
Khan Academy: Find a Missing Side Length When Given Area of a Rectangle
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.
CK-12 Foundation
Ck 12: Geometry: Area and Perimeter of Rectangles
[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...
CK-12 Foundation
Ck 12: Geometry: Area and Perimeter of Rectangles
[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...
National Council of Teachers of Mathematics
Nctm: Illuminations: Igd: Area of a Parallelogram
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.
CK-12 Foundation
Ck 12: Elem Math: Perimeter of Squares and Rectangles
[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.
Khan Academy
Khan Academy: Find Area With Partial Unit Squares
Count unit squares and partial unit squares to find the area of shapes.
Illustrative Mathematics
Illustrative Mathematics: 3.md Finding the Area of Polygons
The purpose of this instructional task is for students to find the area of figures that can be decomposed and then recomposed into rectangles. Aligns with 3.MD.C.6. CCSS.Math.Content.3.MD.C.7.d Recognize area as additive.