Illustrative Mathematics
Illustrative Mathematics: 6.ee Rectangle Perimeter 1
This tasks gives a verbal description for computing the perimeter of a rectangle and asks the students to find an expression for this perimeter. They then have to use the expression to evaluate the perimeter for specific values of the...
National Council of Teachers of Mathematics
Nctm: Illuminations: Factorize
With this activity, you can visually explore the concept of factors by creating rectangular arrays. The length and width of the array are factors of your number.
PBS
Pbs: Modeling Fraction Division Using Arrays
This video illustrates a visual model for solving a word problem involving the division of fractions. The problem asks students to determine the width of a rectangular platypus burrow based on its length and area. In the accompanying...
PBS
Pbs: Modeling Fraction and Mixed Number Division Using Arrays
This video illustrates how to use an array as a visual model for solving a word problem involving the division of fractions and mixed numbers. The problem asks students to determine the width of a rectangular fennec fox den based on its...
PBS
Pbs: Volume of Right Rectangular Prisms
Learn how unit cubes can be used to model the solution for the volume of a 3D figure This video focuses on calculating the volume of a rectangular prism using the equation, length x width x height. This video was submitted through the...
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.
PBS
Pbs Learning Media: Calculating Rectangular Area
In this video segment from Cyberchase, the CyberSquad measures Judge Trudy's land claim by using tarps, fence posts and a grid made with rope.
Beacon Learning Center
Beacon Learning Center: Are We There Yet?
An interactive web lesson teaches students about estimating units of measurement. It also offers practice questions to test students' understanding of the skill.
AAA Math
Aaa Math: Perimeter of a Rectangle
This resource shows students how to calculate the perimeter of a rectangle. It provides self-check exercises and simple learning games to practice the skill.
National Council of Teachers of Mathematics
The Math Forum: Intro to Measurement for Primary Students
This site from the Math Forum is a great introduction to measurement for primary students. Each measurement activity has four components: interactive, manipulative-based project; technology; paper/pencil practice; literature connection.
University of North Carolina
A Dictionary of Units of Measurement
This site contains an extensive list of various units of measurement known internationally and across several disciplines. Unit symbols are also included.
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.
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.
Purple Math
Purplemath: Geometric Formula Review
Need to freshen up on your geometric formulas? This explanation focuses on some basic formulas that should be committed to memory such as area, volume, perimeter, and more.
Rice University
Rice University: Cynthia Lanius: Golden Ratio
This site introduces students to the definition of golden ratio. It gives them a chance to estimate ratios and predict which figures are closest to the golden ratio. There is a link on this page that provides charts for students to...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Newfoundland, 1903
A map from 1903 of the Canadian province of Newfoundland, showing cities, towns and ports, railways, lakes, rivers, and coastal features, as well as the coastal districts of White Bay, Bonne Bay, Bay of Exploits, Bonavista Bay, St....
Curated OER
Educational Technology Clearinghouse: Maps Etc: Nebraska, 1903
A map from 1903 of Nebraska showing county borders, cities and towns, rivers, and railroads. This map also shows the rock types in the state. "Nebraska, a central State of the American Union, lies between 40 degrees and 43 degrees N....
Curated OER
Web Gallery of Art: Golden Carriage
An image of "Golden Carriage", created by Nicolas Pineau in 1738 (Painted and gilt wood, velvet with gold embroidery, length 610 cm, width 213 cm).
Curated OER
Science Kids: Science Images: Ice Hockey Rink Dimensions Diagram
This diagram labels the important parts of an ice hockey rink which include the goal positions and players benches. The diagram also gives dimensions regarding the width and the length of the rink as well as other dimensions that are...
ArtLex
Art Lex: Shape
This online dictionary of art from Artlex provides terms is a valuable tool. Shape is on the Sg-Sh page. Just scroll down to Shape and read a definition with links to other important terms.
Annenberg Foundation
Annenberg Learner: Math in Daily Life: Home Decorating
This exhibit is designed to show students that geometry really does apply to the real world. By taking viewers through a home decoration project, students learn how to calculate area of a rectangle and circle.
Purple Math
Purplemath: Geometry Word Problems: Introduction
Introduces how to set up and solve simple geometric-figure word problems. Includes advice regarding formulas to memorize.
Jim Loy
Jl's Math Page: The Golden Rectangle and the Golden Ratio
This is a personal site from Jim Loy that describes the golden rectangle and the golden ratio. Includes several diagrams and pictures as well as formulas. A good background in math is helpful.
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