ShmoopTube

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...

ACT Math Pre-Algebra Drill 3, Problem 3. Find the absolute value.

ACT Math: Pre-Algebra Drill 4, Problem 1. What could the number described in the video be?

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...

Hemingway was great with words, but not so great with numbers. Thankfully, he had his cats to help teach him math. Stick with us instead; we don't...

SAT Math 3.6 Numbers and Operations

ACT Math Elementary Algebra Drill 4, Problem 2. Solve for x.

ACT Math: Pre-Algebra Drill 2, Problem 1. Solve for x in this equation.

ACT Math Pre-Algebra: Drill 2, Problem 2. Solve for y.

OMG you should totes watch this vid. LOL. It’s all about LCM and GCF… FTW. Least Common Multiple and Greatest Common Factor, here we come....

This video covers Least Common Multiple and Greatest Common Factor. What are they? How do you find them? How does factorization play in?

Number Sense: Drill Set 5, Problem 1. Solve the equation.

Have plenty of scratch paper on hand before starting one of these problems. We’re not kidding when we say "long" division.

This video helps you tackle two-step equations with multiplication and division by using the opposite operation on each side of the equation. Defin...

Leftovers are good. Remainders are not.

CAHSEE Math Algebra and Functions: Drill Set 1, Problem 4. Which operation should be performed first?

Algebra and Functions: Drill Set 3, Problem 2. Simplify the expression in this video.

Algebra and Functions Drill 3 Problem 4. Simplify the expression.

Those itty-bitty exponents are difficult to read as it is. Now they're going to be even smaller—and include fractions? Someone had better get us...

SAT Math 1.4 Numbers and Operations. Solve the equation.

SAT Math 2.2 Algebra and Functions. What value of y is correct?

Get back to your roots with this video.

SAT Math 3.2 Numbers and Operations

SAT Math 1.4 Algebra and Functions. Solve for x.

Ever wish you didn't have to write out all those zeros when you counted your mounds of money? Well, there's a solution for that: scientific notatio...

CAHSEE Number Sense: Drill Set 1, Problem 1. How would he write the number in scientific notation?

CAHSEE Math Number Sense: Drill Set 1, Problem 2. The decimal 0.000035 can be written in scientific notation as...what?