Khan Academy
SAT Prep: Test 7 Section 5 Part 2
Complicated word problems and expressions are no match for Sal, and after watching this series, they will be no match for your students either! Sal deftly handles problems involving algebraic equations, averages, and circumference.
Khan Academy
SAT Prep: Test 5 Section 9 Part 2
Sal notes the important of reading a question very carefully in this video, as he nearly misreads a problem but catches his error before it's too late. Most problems shown here involve algebra skills.
Khan Academy
SAT Prep: Test 1 Section 6 Part 2
Using the process of elimination, Sal takes students through helpful ways to solve multiple choice questions on the SAT quickly and correctly. Problems 5-6 involve probability and proportions.
Khan Academy
SAT Prep: Test 2 Section 6 Part 1
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...
Khan Academy
SAT Prep: Test 1 Section 3 Part 5
Sal's lecture starts where his last one ended - on problem 13 from The Official SAT Study Guide. Starting the problem over to ease understanding, he explains how to find the pattern in a complicated sequence. The following problem...
Khan Academy
Test 3 Section 2 Part 5
Both algebra and geometry problems are featured in this SAT practice video. Students who struggle to transition between skills on tests (average mean, then diameters and pi, then positive integers) would benefit from Sal's deft handling...
Khan Academy
SAT Prep: Test 6 Section 7 Part 4
Clarifying that speed matters more than rigor on the SAT, Sal takes care to show students the most efficient and easiest ways to solve various math problems. Those who get stuck on certain types of problems would benefit from his...
Khan Academy
SAT Prep: Test 2 Section 9 Part 4
Price increases in real life aren't enjoyable, but Sal's enthusiasm and easygoing explanation makes the question on increasing prices on the practice SAT fun! Showing students how to easily work through problems involving the Pythagorean...
Khan Academy
Solving Linear Systems by Graphing, Systems of Equations
Sal teaches how to use graphing as a tool, not a hindrance, in this helpful video. His lecture would make a good resource for your algebra class, particularly as the focus shifts to graphing problems and linear systems.
Khan Academy
SAT Prep: Test 5 Section 7 Part 5
Geometry problems on the SAT are often the most difficult for students to solve, let alone master. Focusing on several geometry-related skills (as well a few algebra problems), Sal makes this lesson a valuable resource for viewers who...
Khan Academy
Banking 7: Giving Out Loans without Giving Out Gold
Can a bank issue endless loans and checking accounts without regard to the amount of money within its walls? Sal addresses this question throughout the lecture, where he introduces the concept of bank regulations - specifically reserve...
Khan Academy
Another Rational Function Graph Example, Algebra II
Extending his asymptotes lesson from the previous video, Sal shows viewers another example of graphing rational functions. This video is shorter than the previous one and could be shown in a single class session.
Khan Academy
SAT Prep: Test 1 Section 6 Part 6
Reviewing the last two problems in the practice SAT (17-18), Sal explains the process behind each problem more thoroughly. This video would be especially helpful for students who experience difficulty in graphing or in accurately reading...
Khan Academy
SAT Prep: Test 1 Section 6 Part 1
Here, Sal begins section 6 on page 407 of The Official SAT Study Guide, focusing on problems 1-4 in this video. He clarifies that SAT questions are "tricky, but really fast" problems that shouldn't take a lot of time to solve. To prove...
Khan Academy
SAT Prep: Test 7 Section 8 Part 2
Continuing his SAT review session, Sal explores problems with slopes, linear equations, and congruent angles. He begins problem 10 (geometry) but finishes the problem in the next video.
Khan Academy
Keto-Enol Tautomerzation, (by Sal), Alpha Carbon Chemistry, Organic chemistry
The mechanism with a ketone and a similar version with an aldehyde is described, where the carbonyl group and pair of electrons belonging to the oxygen react with the hydronium in water.
Khan Academy
Introduction to Graphing Inequalities, Two-Variable Linear Inequalities, Algebra I
If your class struggles with graphing inequalities, or if your lecture could use some help from Sal, this video would be a great help. Sal's instruction is measured and patient, and viewers will walk away feeling more confident and...
Khan Academy
Sn1 and Sn2 Epoxide Opening Discussion
After a helpful recap of the conditions that would suggest either Sn1, Sn2, or E1 reactions, this lecture provides exceptions to the usual rules.
Khan Academy
Common Divisibility Examples, Factors and Multiples, Pre-Algebra
Equipped with several examples from the attached module and from standardized tests, Sal takes viewers through the process of prime factorization and divisibility. He demonstrates each skill several times with many different numbers,...
Khan Academy
Organic Chemistry Naming Examples 4
This is the fourth video in a series of five where Sal works through examples of more complicated carbon chains.
Khan Academy
Fitting a Line to Data, Regression, Probability and Statistics
Sal trades his tablet for an Excel spreadsheet in this video, which covers fitting data to a line. Using a word problem about median income, he not only solves the problem but also demonstrates how to use scatter plots and Excel tools in...
Khan Academy
Proof of Quadratic Formula, Polynomial and Rational Functions, Algebra II
Armed with their newfound (or refreshed) knowledge of the quadratic formula, viewers can now work with Sal to prove the formula - an essential skill that is often ignored in algebra. Once they learn how to both use and prove the...
Khan Academy
Sn1 Amine Reaction
The typical reactions of amines are recapped, and the Sn1 reactions are described instead of Sn2. This video would be helpful to show in conjunction with the previous one, and your students will find this just as helpful for review.
Khan Academy
SAT Prep: Test 4 Section 2 Part 6
If students require deeper explanations on algebra problems, this video (which ends this practice SAT session) would be beneficial. Sal goes into detail about his methodology and thought process behind some of the more difficult problems...