Khan Academy
Khan Academy: Manipulate Expressions Using Structure
Rewrite an expression containing two unknown variables by choosing a given equation that is equivalent. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
PBS
Pbs: Distributive Property With Variables
Model with algebra tiles to generate equivalent expressions. This video focuses on visualizing the distributive property.
Khan Academy
Khan Academy: Practice: Writing Basic Expressions Word Problems
Practice writing basic expressions from word problems. Students are able to check their answers, view a solution, or watch a video for assistance.
Khan Academy
Khan Academy: Equivalent Forms of Exponential Expressions
Determine whether pairs of exponential expressions are equivalent. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Oswego City School District
Regents Exam Prep Center: Practice With Multiplication of Rational Expressions
Exercises are provided for practice with multiplying rational expressions containing variables.
Purple Math
Purplemath: Translating Word Problems: Key Words
Use this lesson to get a clear explanation of how to translate word problems into mathematical equations. Included is a table for common phrases and their mathematical symbols. Use the examples as guides for working on your own problems....
Khan Academy
Khan Academy: Algebra: Rational Equations (Advanced)
Solve equations that have one rational expression whose numerator and denominator are polynomial expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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