Over the next two days, we will review what you need to know about percentages to achieve a 100% score on the [Khan Academy Unit test](https://www.khanacademy.org/math/pre-algebra/xb4832e56:percentages/xb4832e56:percent-word-problems/test/xb4832e56:percentages-unit-test).[](https://www.khanacademy.org/math/algebra/test/x2f8bb11595b61c86:course-challenge)

Over the next two days, we will review what you need to know about systems of equations to achieve a 100% score on the [Khan Academy Unit test](https://www.khanacademy.org/math/pre-algebra/xb4832e56:systems-of-equations/xb4832e56:solving-systems-with-substitution/test/xb4832e56:systems-of-equations-unit-test?referrer=upsell).[](https://www.khanacademy.org/math/algebra/test/x2f8bb11595b61c86:course-challenge)

We will go over the basics of graphing two-variable equations[](https://www.khanacademy.org/math/pre-algebra/xb4832e56:two-variable-equations/xb4832e56:writing-slope-intercept-equations/test/xb4832e56:two-variable-equations-unit-test?referrer=upsell).[](https://www.khanacademy.org/math/algebra/test/x2f8bb11595b61c86:course-challenge)

Over the next three days, we will go over everything you need to know about systems of equations to achieve a 100% score on the [Khan Academy Unit test](https://www.khanacademy.org/math/pre-algebra/xb4832e56:systems-of-equations/xb4832e56:solving-systems-with-substitution/test/xb4832e56:systems-of-equations-unit-test?referrer=upsell).[](https://www.khanacademy.org/math/algebra/test/x2f8bb11595b61c86:course-challenge)

Over the next three days, we will go over everything you need to know about variables and expressions to achieve a 100% score on the [Khan Academy Unit test](https://www.khanacademy.org/math/pre-algebra/xb4832e56:variables-expressions/xb4832e56:equivalent-expressions/test/xb4832e56:variables-expressions-unit-test?referrer=upsell).

Over the next two months, we will go over everything you need to know about Algebra 1 to achieve a 100% score on the [Khan Academy Course Challenge](https://www.khanacademy.org/math/algebra/test/x2f8bb11595b61c86:course-challenge). Sessions are frequent and relatively slow-paced.