Virtual Nerd: How Do You Use Supplementary Angles to Find a Missing Angle?

View this tutorial to see how to use what you know about complementary angles to find a missing angle measurement. [3:20]

How can a straight line be called a straight angle? Can angles be combined to form a straight angle? Yes, supplementary angles can be combined to make a straight angle and that is how one can find the value of a missing angle. Take a...

Video tutorial shows how to use a percent equation to find a percent of a number. [5:09]

View this tutorial to learn how to take a percent of a number. [1:20]

To take a percent of a number convert the percent to a decimal and multiply it by the number. Take a look at this tutorial to learn how. [1:20]

Follow along with this tutorial to see how to use compatible numbers to estimate the percent of a number. [2:27]

Are complementary angles nice to each other? That's not what complementary means in math. Complementary angles are two angles that add up to 90 degrees and form a right triangle. So if given one value in a problem about complementary...

Don't forget there is a correct order for simplifying expressions on the SAT. Reacquaint yourself with the order of operations by watching this video. [2:34]

Need a refresher on the distributive property for the SAT? Watch the tutorial to see how to apply the distributive property. [4:21]

The teacher shows how to break down this problem by first identifying all the terms. After changing the percent to a decimal, she shows how to set up the equation using the terms. Lastly, she solves the equation using the division...