Curated OER
Solar Electricity ~ The Colour Sensitivity of a Photovoltaic Cell
Teacher's notes, a materials list, detailed procedure, tips, and extension ideas are all included to make teaching this lesson on photovoltaic cells a sunny spot in your day! After some brief background reading, physical science...
Curated OER
Fractions Lesson 4
As this slide show explains, simplifying a fraction is very similar to finding an equivalent fraction. The process to simplify fractions is fully demonstrated and clearly explained, 15 practice problems are included.
Curated OER
Lowest Common Denominator Worksheet
In this fractions learning exercise, students follow the steps to finding the lowest common denominator, filling in the answers to the prompts for each step.
University of Colorado
University of Colorado: Physics 2000: Einstein's Legacy: Laptop Screens
A series of seven pages that describe how screen displays on laptop computers work using polarized light in a liquid crystal display. Interactive Java applets.
Other
Sales circular.com: Monitor Buying Tips
SalesCircular.com offers the definition of a computer monitor, provides monitor terms, and explains what to look for when shopping for a monitor.
University of Colorado
University of Colorado: Physics 2000: Temperature and Absolute Zero
A thorough, multipage discussion of color and color television sets that explains how an image is formed on the television using red, green, and blue light. Understandable discussion, excellent graphics, and many interactive Java applets.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Complex Fractions
This tutorial shows two different ways in which you can simplify complex fractions. Works through examples step-by-step and gives some practice problems.
Math Is Fun
Math Is Fun: Mathopolis: Fractions
Ten interactive questions on adding and subtracting fractions. Each question is supported by a detailed explanation of the solution.
CK-12 Foundation
Ck 12: Elem Math: Subtracting Fractions With Different Denominators
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must find the least common denominator of two fractions in order to subtract one from the other. Includes video demonstrating a...
CK-12 Foundation
Ck 12: Elem Math: Subtracting Mixed Numbers With Different Denominators
[Free Registration/Login may be required to access all resource tools.] In this learning module, students subtract mixed numbers that have different denominators. Includes video demonstrating a sample problem [2:49] and a set of practice...
CK-12 Foundation
Ck 12: Elem Math: Fractions With Different Denominators 3 Numbers
[Free Registration/Login may be required to access all resource tools.] In this learning module, students add and subtract three fractions with different denominators. Includes video demonstrating a sample problem [2:41] and a set of...
Computer Hope
Computer Hope: Computer Monitors
A complete guide to computer monitors including monitor ABCs, dot pitch, ghost/burn effect, resolution, monitor controls, refresh, LCD and video definitions.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Least Common Denominator
Find a quick, concise explanation of how to find the least common denominator for fractions or rational expressions. Examples are given and clearly explained.
CK-12 Foundation
Ck 12: Elem Math: Comparing Fractions Using Lcm Word Problems
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to compare fractions in word problems and determine which is bigger or smaller. Includes video demonstrating a sample...
CK-12 Foundation
Ck 12: Elem Math: Finding the Least Common Denominator
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must find the least common denominator for the fractions they are presented with. Includes video demonstrating a sample problem...
CK-12 Foundation
Ck 12: Elem Math: Ordering Fractions With Different Denominators
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to compare fractions with different denominators and put them in order. Includes video demonstrating a sample problem...
Other
Mainland High School: Algebra Lab: Solving Rational Equations
Rational equations are examined through notes and practice problems. Hints and solutions are included with the practice problems.
Cool Math
Coolmath: Coolmath4kids: Adding and Subtracting Fractions With Different Denominators
Demonstrates how to add and subtract fractions where the denominators are different. Includes sample problems to try.
Khan Academy
Khan Academy: Common Denominators
Practice rewriting fractions to have the same denominator. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Elem Math: Fractions With Different Denominators Word Problems
[Free Registration/Login may be required to access all resource tools.] In this learning module, students solve word problems where they must add and subtract fractions with different denominators. Includes video demonstrating a sample...
CK-12 Foundation
Ck 12: 2.3 Adding and Subtracting Rational Expressions
This section explores the process for adding and subtracting rational expressions. It primarily focuses on how to identify and use the Least Common Denominator to combine fractions with rational expressions.
Quia
Ixl Learning: Least Common Denominator
Brush up on your math skills relating to the least common denominator then try some practice problems to test your understanding.
Help Algebra
Help algebra.com: Fractions
This resource offers an overview of fractions from several aspects, including simplifying, reduced, mixed numbers and improper form, and basic operations. Examples and diagrams are included to help demonstrate each topic.
Oswego City School District
Regents Exam Prep Center: Practice With Rational Equations
Exercises are provided for practice with rational equations. Click the "answer" link to check your work.