Khan Academy
Khan Academy: Multiply Monomials by Polynomials: Area Model
Use area to understand how to multiply monomials by polynomials. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
PBS
Pbs Learning Media: Skate Off: Final Round, Inez vs. Rimm
In this Cyberchase video segment, the CyberSquad learns what happens to the area of a rectangle when the shape enclosed by the perimeter changes.
Homeschool Math
Homeschool Math: Fraction Multiplication and Area
This fifth-grade lesson explores the area of a rectangle with fractional side lengths. We tile the rectangle with unit rectangles and show that the area is the same as would be found by multiplying the side lengths. We multiply...
National Council of Teachers of Mathematics
The Math Forum: Seventh Grade Math: Area and Perimeter
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.
The Math League
The Math League: Area and Perimeter
This tutorial provides a brief introduction about what area is, then gives the formulas for area of a square, rectangle, parallelogram, trapezoid, triangle, and circle. Examples of each formula are provided.
Shodor Education Foundation
Shodor Interactivate: Perimeter Explorer
Use this applet to find the perimeter of a variety of shapes with the same or different areas.
Fun Brain
Fun Brain: Shape Surveyor (Area and Perimeter of Rectangles)
Players are given the lengths of two sides of a series of rectangles and must calculate the area or perimeter of each rectangle.
ClassFlow
Class Flow: Area Rectangle
[Free Registration/Login Required] This flipchart will help students to solve the area for various rectangles on graph paper. It asks the students to define and solve for area using the appropriate formula.
ClassFlow
Class Flow: Area Rectangles
[Free Registration/Login Required] In this lesson students will understand area measured in square centimeters. They will understand and use the formula in words for the area of a rectangle.
Illustrative Mathematics
Illustrative Mathematics: 6.ee Rectangle Perimeter 3
The purpose of this task is to ask students to write expressions and to consider what it means for two expressions to be equivalent. Aligns with 6.EE.A.
Math Slice
Math Slice: Area & Perimeter: Math Worksheets
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...
Homeschool Math
Homeschool Math: Area Versus Perimeter
This lesson contrasts area and perimeter and has varied exercises for students about both concepts.
Quia
Ixl Learning: Rectangles
Brush up on your math skills relating to rectangles then try some practice problems to test your understanding.
PBS
Pbs Learning Media: Skate Off: Round One
In this Cyberchase video segment, the CyberSquad learns what happens to the area of a rectangle when the shape enclosed by the perimeter changes.
Beacon Learning Center
Beacon Learning Center: Fence Me In!
Students can practice calculating the perimeter of rectangles in this interactive web lesson.
AAA Math
Aaa Math: Perimeter of a Rectangle
Students are taught how to calculate the perimeter of a parallelogram. Extra practice drill problems are also included.
Math Open Reference
Math Open Reference: Area of a Rectangle
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.
Analyze Math
Analyze Math: Rectangle Problems
The geometry tutorial investigates rectangles. Topics included are diagonals, area, and perimeter. The activity has several examples with detailed solutions.
Texas Instruments
Texas Instruments: Maximizing the Area of a Rectangle
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...
Homeschool Math
Homeschool Math: Area of Right Triangles
This lesson presents the idea that the area of any right triangle is exactly half of a certain rectangle, and contains varied exercises for students.
Homeschool Math
Homeschool Math: Area of Parallelograms
This lesson presents the idea that the area of any right triangle is exactly half of a certain rectangle, and contains varied exercises for students.
Math Drills
Math Drills: Measurement Worksheets
Download these free worksheets to sharpen your measurement skills. Sheets focus on temperature, conversion, area and perimeter, volume, and more.
CK-12 Foundation
Ck 12: Geometry: Triangles and Quadrilaterals Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide reviews the formulas for area and perimeter of triangles and different kinds of quadrilaterals.