Real math help.
How Do You Solve a Problem Using an Angle of Elevation?
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This tutorial provides a great real world application of math. You'll see how to use the tangent ratio to find the height of a hill. Take a look!
Background Tutorials
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Estimation and Rounding
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How Do You Round a Decimal to a Given Place Value?
Sometimes, decimals are so long that you need a way to estimate the value of the decimal. Other times, you may only need a certain amount of exactness to get your answer. This is where rounding decimals to a chosen place can be very helpful! Watch this tutorial to learn how to round a decimal to a chosen place.
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Triangle Definitions
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What are Acute, Obtuse, and Right Triangles?
Did you know that there are different kinds of triangles? Knowing how to identify these triangles is an important part of solving many problems involving these triangles. Check out this tutorial and learn about some of the different kinds of triangles!
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Right Triangles and the Pythagorean Theorem
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What are the Legs and Hypotenuse of a Right Triangle?
Looking for some terminology used with right triangles? Then this tutorial was made for you! In this tutorial, you'll be introduced to the names for the different parts of a right triangle. Check it out!
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Finding Missing Sides
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How Do You Find a Missing Side of a Right Triangle Using Tangent?
The tangent ratio is not only used to identify a ratio between two sides of a right triangle, but it can also be used to find a missing side length. This tutorial shows you how to use the tangent ratio to find that missing measurement!
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Evaluating Expressions
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How Do You Evaluate an Algebraic Expression?
Plugging variables into an expression is essential for solving many algebra problems. See how to plug in variable values by watching this tutorial.
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What is a Variable?
You can't do algebra without working with variables, but variables can be confusing. If you've ever wondered what variables are, then this tutorial is for you!
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Solving Equations by Multiplying
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How Do You Solve an Equation Using Multiplication?
Solving an equation for a variable? Perform the order of operations in reverse! Check it out in this tutorial.
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Further Exploration
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Finding Missing Angles
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How Do You Find the Tangent of an Angle in a Right Triangle?
A trigonometric ratio is a ratio between two sides of a right triangle. The tangent ratio is just one of these ratios. In this tutorial, you'll see how to find the tangent of a particular angle in a right triangle. Take a look!
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