The Math Forum: Equivalent Expressions and Equations

Work those algebra skills! Learners solve equivalent expressions, compare given expressions, and determine their equivalency. This three-page worksheet contains twelve multi-step problems. Psst, this would be a perfect unit review.

Now there are parentheses in these equations? As the lessons continue in this series, equations get progressively more complex. Eighth graders solve equations by applying the distributive property before using inverse operations. 

Evaluate an expression or solve an equation—two very different tasks! A video tutorial begins by defining an expression and an equation and then discusses the similarities and differences between the two. The instructor also demonstrates...

The symbolic nature of mathematics is perplexing to some scholars. Help them out using a video lesson that offers explanations and examples of how to read a mathematical sentence. By translating expressions and equations into words,...

Do your pupils ever try to solve an expression? If the answer is yes, then this is the video for you! The video instructor explains the difference between solving and simplifying. He then shows an example of simplifying an expression and...

"Sal, why do we care? Why must we rationalize denominators?" Acknowledging these (possibly pleading) concerns, Sal explains the reasons behind rationalizing a denominator before demonstrating how to do it several times. Though he admits...

Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of writing algebraic expressions and equations. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom...

This video introduces to students what a variable, expression, and equation is. It also demonstrates how to substitute values for variables and evaluate expressions and equations using substitution. [6:55]

Equivalent expressions mean that for any value plugged in to x, the equation will be true. So no matter the way the expression is written on each side of the equation, the resulting values will be the same. Just watch this video to get a...

Students learn about logarithmic expressions and equations. The tutorial includes class notes, calculator tips, examples, and practice problems with solutions. The teacher resource consists of application to forensics.