Instructional Video9:00
Khan Academy

SAT Prep: Test 7 Section 8 Part 3

9th - 12th
After finishing problem 10 about congruent angles inside a polygon, Sal goes on to solve additional problems involving reciprocals, odd integers, and slopes. Those who have a difficult time moving efficiently through different skill sets...
Instructional Video
Khan Academy

SAT Prep: Test 2 Section 6 Part 1

9th - 12th
Using The Official SAT Study Guide, Sal begins another review session of eighteen problems, six of which are addressed in this video. The problems involve variables in linear equations, angles and parallel lines, and ratios. One problem...
Instructional Video1:48
Khan Academy

CAHSEE Practice: Problems 52-53

8th - 10th
In the final two problems of the CAHSEE practice test, students are guided through algebraic equations involving factoring and reciprocals. This is an excellent resource for students who struggle with multiple-choice questions or...
Instructional Video1:37
Curated OER

What are Multiplicative Inverses?

6th - 9th
How can two numbers be multiplied to get a product of one? Why is this even important? One reason this is an important skill has to do with getting rid of denominators. So learn about multiplicative inverses in this video.