Khan Academy Static

Rates_proportional_relationships

Learn all about proportional relationships. How are they connected to ratios and rates? What do their graphs look like? What types of word problems can we solve with proportions?

Statistics_and_probability

This introduction to probability and statistics explores probability models, sample spaces, compound events, random samples, and a whole lot more.

Negative_numbers_multiplication_and_division

Learn to multiply and divide negative numbers. Once you've got the basics down, we'll revisit fractions, exponents, and order or operations but this time with negatives!

Geometry

Geometric shapes are all around us. The world is built with them. In this series of tutorials and exercises you'll become familiar with Euclidean geometry and terms like segments, scale drawings, parts of a circle, area, volume, angles, and geometric figures.

Fractions_decimals_percentages

In these tutorials, we'll explore the number system. We'll convert fractions to decimals, operate on numbers in different forms, meet complex fractions, and identify types of numbers. We'll also solve interesting word problems involving percentages (discounts, taxes, and tip calculations).

Expressions_equations_inequalities

Bring on the algebra! Learn how to manipulate expressions and solve equations and inequalities.

Negative_numbers_addition_and_subtraction

Add and subtract negative numbers, and see how absolute value can be used to find the distance between any two numbers on the number line.