Keep Those Expressions in “Order”

Demonstrating a "really hairy and beastly problem," Sal again shows the power and importance of solving an equation according the order of operations. Additionally, he guides viewers through a step in the equation when there are multiple...

Please Excuse My Dear Aunt Sally - or whichever mnemonic your students use for the order of operations - is the focus of this video. Sal takes viewers through various mathematical equations which require the use of the order of...

First demonstrating the improper ways of solving an equation (left-to-right, multiplication first), Sal shows viewers how the answer of an equation can be drastically incorrect by neglecting to use the order of operations. He uses...

Please excuse my dear Aunt Sally! Sort of like an animated slide show, this lesson walks fifth graders through the order of operations. Also included are a sing-along karaoke video, key vocabulary with definitions, and a seven-question...

You will need to pay close attention while watching this video. There are many steps and many operations to do to simplify this algebraic fraction. If it seems hard the first time you watch it and you miss something, then watch it again....

You will need to pay close attention while watching this video. There are many steps and many operations to do to simplify this algebraic fraction. And if it seems hard the first time you watch it and you miss something, then watch it...

Reinforce instruction on the least common denominator and subtracting rational expressions with this tutorial video. Learners can view this video in class or at home. Consider using this resource to supplement your lesson plan.

Reinforce instruction on the least common denominator and subtracting rational expressions with this tutorial video. Learners can view this video in class or at home. Consider using this resource to supplement your lesson plan.

Help new algebra pupils learn how to combine like terms with rational coefficients with a video lesson. Make sure to point out the common mistakes of not following the order of operations or changing signs when rearranging terms. The...

An algebraic expression and a given value for the variable. Use the substitution property of equality to plug in the given value and solve the expression. Be careful and use the order of operations correctly because there is an exponent...