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ClassFlow

Class Flow: Properties of Math

For Teachers 6th - 8th
[Free Registration/Login Required] This flipchart is an introduction and application of three principle properties of mathematics. Students will identify and apply the Identity, Commutative, and Associative Properties of addition and...
Activity
Math Is Fun

Math Is Fun: Quadrilaterals

For Students 4th - 8th Standards
Students learn about the terminology and properties associated with quadrilaterals. The learning resource consists of definitions, diagrams, an exploration activity, and examples.
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McGraw Hill

Glencoe: Self Check Quizzes 2 Quadrilaterals

For Students 6th - 8th
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of quadrilaterals. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Equivalent Expressions

For Teachers 5th - 8th Standards
In this problem, we have to transform expressions using the distributive, commutative and associative properties to decide which expressions are equivalent. Common mistakes are addressed, such as not distributing the 2 correctly. Aligns...
Activity
Math Is Fun

Math Is Fun: Definition of Distributive Law

For Students 3rd - 8th Standards
Explains the distributive law, with an example.
Handout
Free Math Help

Free Math Help: Exterior Angle of a Triangle

For Students 7th - 8th Standards
This tutorial discusses exterior angles of a triangle. Example problems with explanations are included.
Handout
Math Is Fun

Math Is Fun: Regular 2 D Shapes

For Students 3rd - 8th Standards
This tutorial provides illustrations for regular 2-D shapes as well as a definition for polygons and for regular polygons.
Unit Plan
Math Is Fun

Math Is Fun: Properties of Regular Polygons

For Students 3rd - 8th
Find a definition of regular polygon, and learn how to calculate the internal angle, external angle, and number of diagonals of a regular polygon. Also, learn how to find the area of regular polygons.
Unit Plan
Math Is Fun

Math Is Fun: Polygons

For Students 2nd - 8th Standards
This is an excellent outline of the terms used to describe polygons as well as the definitions of the different types.
Activity
TeachEngineering

Teach Engineering: Breaking the Mold

For Teachers 6th - 8th
In this math activity, students conduct a strength test using modeling clay, creating their own stress vs. strain graphs, which they compare to typical steel and concrete graphs. They learn the difference between brittle and ductile...
Website
Rice University

Rice University: Cynthia Lanius: Fractals Unit

For Students 3rd - 8th
This site from the Rice University provides a Fractals Unit for Elementary and Middle School Students. Find out what a fractal is and what it looks like. You can value fractals for their visual delight or mathmatical properties. This is...
Unit Plan
Khan Academy

Khan Academy: Equivalent Expressions: Negative Numbers & Distribution

For Students 6th - 8th
Practice figuring out which expressions are equivalent by applying your knowledge of negative numbers and the distributive property. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
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Khan Academy

Khan Academy: Find Angles in Triangles

For Students 7th - 8th Standards
Find missing angle measures using the properties of triangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Unit Plan
Khan Academy

Khan Academy: Combining Like Terms With Negative Coefficients & Distribution

For Students 6th - 8th Standards
Practice combining like terms using the distributive property. These problems involve adding and subtracting negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Unit Plan
PBS

Pbs Learning Media: Pearl Diver

For Students 6th - 8th
Play a fast-paced video game that involves finding rational numbers on the number line. This game from Math Snacks focuses on using what you know about positive and negative numbers and fractions to place them correctly on the variable...
Handout
The Math League

The Math League: Figures and Polygons

For Students 3rd - 8th Standards
This website has basic definitions for most polygons, regular and irregular.

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