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The multiplicative inverse sounds like a weird sci-fi concept, but it's really just multiplying a fraction by its reciprocal—otherwise known as t...

The easy way to remember the look of an absolute value graph is that they are always a V-shape... and “V” stands for value. Or for verisimilitu...

SAT Math: Algebra and Functions Drill 1, Problem 2. Based on the data in the table, what is the maximum heart rate for the average 22-year-old?

SAT Math: Numbers and Operations Drill 1, Problem 2. If the masterpiece will be worth $45,055 in five years, what is its worth now?

SAT Math 2.2 Numbers and Operations. According to the information given, how many times faster is Car A than Car D?

Algebra I Drill 2, Problem 3. Which of the following is the same as the expression?

Algebra I: Drill 2, Problem 4. Which equation is equivalent?

SAT Diagnostic #2

This video will give you the ins and outs of the distributive property. Can someone distribute some property to us?

La lanza necesita velocidad. Afortunadamente, ella solamente tiene una bicicleta, ella no quiere poner en peligro cada vida humana. Nosotros no env...

This video covers the concept of combining like terms. If you try to combine terms with different variables, it just won’t work. But terms with t...

Jack and Jill went up the hill to fetch a pail of water. But what happened when they got up there? They’ve been gone an awfully long time…

Así es, Jack y Jill fueron a la colina a buscar una pila de agua, pero... ¿qué pasó cuando ellos estuvieron allá?

Solving two-step equations can be tricky, but at least they’re easier than doing the Texas Two-Step. We trip over our feet so often you’d think...

If you have to solve a multi-step equation, you might as well do it with fractions, right?

SAT Math 1.1 Algebra and Functions. Find an algebraic equation to correspond with the data.