Shodor Education Foundation
Shodor Interactivate: Area (Elementary)
In this lesson students will practice finding the area of rectangular shapes and irregular shapes with right angles and understand why the area formula works for rectangular shapes. CCSS.Math.Content.3.MD.C.5.b A plane figure which can...
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...
National Council of Teachers of Mathematics
The Math Forum: Geoboard Activities
Math Forum provides a set of links to sites that are related to geoboard activities. There are several great links to lessons using geoboards. The links provide insight into how to use them, including how to perform various measurements...
Khan Academy
Khan Academy: Find Perimeter When Given Side Lengths
Find perimeter of figures when given an image or context. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.MD.D.8 Solve real world and...
Khan Academy
Khan Academy: Read Bar Graphs and Solve 2 Step Problems
Read and interpret a double bar graphs. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.MD.B.3 Draw a scaled picture graph and a scaled bar...
Illustrative Mathematics
Illustrative Mathematics: 6.ns Multiples and Common Multiples
This task asks students to apply the concepts of multiples and common multiples in an abstract context. Aligns with 6.NS.B.4.
Scholastic
Scholastic Lesson Plan: New Way to Measure Area
This article describes a new approach to teaching children more than just memorizing a formula to find area and hope they don't confuse it with perimeter. This approach involves a project with real life situations....
Mangahigh
Mangahigh: Number: Multiply and Divide Whole Numbers by 10, 100 and 1000
This site provides students practice with the concept of multiplying and dividing whole numbers. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Rational Exponents
In this tutorial, you will learn what a rational exponent is and how to complete many tasks involving them. Follow step-by-step instructions and examples, view video explanations, and hone your skills with several practice problems.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Rational Exponents
An online tutorial which teaches you how to rewrite a rational exponent in radical notation, simplify an expression that contains a rational exponent, and use rational exponents to simplify a radical expression. Works through example...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Complex Numbers
Use this tutorial to learn what imaginary and complex numbers are, how to write them, and how to perform operations with them. Offers step-by-step examples, video explanations of the examples, and practice questions with answers.
Visual Fractions
Visual Fractions: Rename in Higher Terms With Lines
Rename fractions in higher terms with this interactive module. Number lines are used for fractional representations. Detailed instructions, practice opportunity, and immediate feedback provided for this concept....
Johan Claeys
Math Abundance: An Introduction to Complex Numbers
A complete explanation of complex numbers that includes lessons on adding, subtracting, multiplying, and dividing them, as well as more advanced topics.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Solving Linear Equations
Through this tutorial, you'll learn strategies and definitions that will help you solve linear equations. Example problems with step-by-step solutions and practice exercises with answers and explanations make this resource perfect for...
Texas A&M University
Wtamu Virtual Math Lab: Beginning Agebra: Central Tendencies
A tutorial to understand the three central tendencies and how to find them, as well as the standard deviation of values. Offers a discussion and practice problems.
Doina Popovici
Math Play: Compare Decimals Math Racing Game
Race your way to the finish line with this math game where you compare decimal numbers to race ahead!
Discovery Education
Discovery Education: Web Math: Solve a Linear Equation Involving One Unknown
This WebMath site explains how to enter your equation with one variable and solve for that variable. It explains step-by-step how to solve the equations and gives the final solutions.
Wolfram Research
Wolfram Math World: Complex Conjugate
This site contains an explanation of complex conjugates. Then it goes on to list and display charts and formulas. Links are also provided for additional information.
National Council of Teachers of Mathematics
The Math Forum: Paper Folding Activity
This is a lesson plan of paper folding as a method of proof. A Java applet version of the activity can be accessed, giving the actual lengths and angle sizes.
Washington State University
Washington State University: Math 101: Solving Linear Inequalities
This page covers topics involving linear inequalities including properties used to solve inequalities, how to write solutions, solving simple inequalities, and solving compound inequalities.
Other
Brown Math: How to Convert Units of Measurement
This site has a detailed step-by-step instruction of how to convert units of measurement. Multiplying by 1 is explained as are compound units, and finding conversion factors. The discussion is slowed down for students who may have missed...
University of Georgia
University of Georgia: Inter Math: Box and Whisker Plot
Description of box-and-whisker plots and their uses, along with a visual representation. There are links to related terms, everyday examples, more information, and the interactive checkpoint involving box and whisker plots located in the...
Free Math Help
Free Math Help: Completing the Square in Circle Equations
This discussion examines how to complete the square in circle equations. Students learn about the math concept through definitions and examples with detailed solutions.
CK-12 Foundation
Ck 12: Interactive Middle School Math 6
This all-interactive MSM 6 course is a complete and rigorous Grade 6 Mathematics course where the text is the support material, NOT the main content. The course includes instructional interactives, inline immediate-feedback (formative)...
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