Instructional Video
Khan Academy

SAT Prep: Test 5 Section 7 Part 1

9th - 12th
A new SAT practice session (from page 669 of The Official SAT Study Guide) begins with problems 1-5. Sal demonstrates quick thinking and contemplative problem solving as he moves efficiently from one equation to the next.
Instructional Video
Khan Academy

SAT Prep: Test 1 Section 3 Part 2

9th - 12th
Problems 6-7 on page 396 of The Official SAT Study Guide are covered in this video, which includes both strategies for solving the equations and finding the answer in a multiple choice question. The problems in this video range from...
Instructional Video9:57
Khan Academy

Federal Reserve Balance Sheet

9th - Higher Ed
With an actual balance sheet from the Federal Reserve (from 2007, before all of the "banking silliness" began to happen), Sal walks viewers through the Fed's assets, liabilities, and equity. Pupils will be pleased to see how the theories...
Instructional Video
Khan Academy

SAT Prep: Test 1 Section 3 Part 4

9th - 12th
Pushing through to problems 11-12 on page 398 of The Official SAT Study Guide, Sal goes into comprehensive detail on each problem. Problem 11 involves geometry, including the function of pi, and problem 12 involves non-constant slopes....
Instructional Video9:56
Khan Academy

Speed Translation

7th - 9th
Teaching young mathematicians to use consistent units in their expressions and numbers, Sal demonstrates several ways to translate speed units in pre-algebra. He encourages viewers to memorize common speed units, such as the number of...
Instructional Video
Khan Academy

SAT Prep: Test 4 Section 2 Part 5

9th - 12th
Picking up where he left off (problem 17), Sal demonstrates graphing functions with an informative and clear explanation. Additionally, problem 18 involves finding the values of angles in an equilateral triangle.
Instructional Video
Khan Academy

SAT Prep: Test 1 Section 9 Part 3

9th - 12th
If it takes a long time to complete the problems on the math SAT, it doesn't matter if they are correct - the problems that are left over will count against the student's score. Sal takes care to show quicker ways to complete problems...
Instructional Video
Khan Academy

SAT Prep: Test 1 Section 3 Part 6

9th - 12th
Admitting that the SAT "can be tiring" (and knowing that comment probably inspired an eye-roll from your students), Sal continues his lecture series with problems 15-16. These problems focus on graphing patterns and volume, both of which...
Instructional Video
Khan Academy

SAT Prep: Test 6 Section 3 Part 3

9th - 12th
Continuing problem 7 from the previous video, Sal takes students through what he describes as "a common SAT problem" involving geometric lines and figures. Additional problems deal with sequences, cross-multiplication, and measuring...
Instructional Video
Khan Academy

SAT Prep: Test 6 Section 9 Part 3

9th - 12th
Working through problems 11-14 on the practice SAT, Sal shows students how to solve problems that look complicated, but can actually be quite simple. Problems involving algebraic expressions and geometric distances make up the rest of...
Instructional Video
Khan Academy

SAT Prep: Test 1 Section 9 Part 2

9th - 12th
On problems 5-8 of the practice SAT video series (page 424 of The Official SAT Study Guide), Sal demonstrates several different ways to solve each problem in an efficient and timely manner. Students will appreciate the ways he details...
Instructional Video
Khan Academy

SAT Prep: Test 8 Section 5 Part 2

9th - 12th
Sal again makes the SAT look effortless, and yet students will follow his mathematical processes with ease. Problems range in difficulty, from basic algebra equations to more complicated geometric figures.
Instructional Video
Khan Academy

SAT Prep: Test 5 Section 3 Part 4

9th - 12th
Explaining that the only thing he gets in return for these videos "is the satisfaction of you guys getting a perfect score on the SAT," Sal charges on through the practice SAT problems. Students who have a difficulty with parabolas and...
Instructional Video
Khan Academy

SAT Prep: Test 1 Section 6 Part 4

9th - 12th
Number 11 in the practice section of The Official SAT Study Guide begins with finding the perimeter of a given triangle. Once students solve this multiple-choice question, they can find ways to solve the additional problems on the page,...
Instructional Video
Khan Academy

SAT Prep: Test 1 Section 3 Part 8

9th - 12th
At the end of the first review session of The Official SAT Study Guide, Sal demonstrates how to solve problems 19 and 20, which include skills like absolute values and consecutive integers. Students can go back over these twenty problems...
Instructional Video9:49
Khan Academy

Multiplying Binomials and Polynomials, Algebra Basics

7th - 11th
Everyone can be shortcut-savvy with this video, which features Sal multiplying "a ton of polynomials" in clear, easily understandable terms. Those with difficulty applying old concepts to new equations will rest assured with the trusted...
Instructional Video
Khan Academy

SAT Prep: Test 6 Section 9 Part 1

9th - 12th
Word problems on the SAT can be some of the trickier questions. In this practice session from page 743 in The Official SAT Study Guide, Sal demonstrates how to read word problems as algebraic expressions, writing the necessary equation...
Instructional Video9:50
Khan Academy

Adding and Subtracting Fractions

7th - 9th
This video shows how to add, subtract, and simplify fractions using a pie graph and an infinite blackboard. Once he has established the rule, Sal throws the viewer a curve ball with a fraction subtraction problem that results in a...
Instructional Video
Khan Academy

SAT Prep: Test 4 Section 4 Part 4

9th - 12th
Sal takes a little more time to explain the next two problems as he nears the end of this practice SAT session. He spends about 5 minutes drawing, solving, and discussing problem 17 (geometric line segments) and the next 5 minutes on...
Instructional Video9:49
Khan Academy

Introduction to Logarithms

7th - 9th
Sal crafts a demonstration around one of his "most misspelled words" - logarithms - in this thorough and understandable video. He defines a logarithm before using several examples to illustrate his point. Sal makes learning this concept...
Instructional Video
Khan Academy

SAT Prep: Test 8 Section 5 Part 1

9th - 12th
Launching into another practice session from The Official SAT Study Guide (page 855) Sal wastes no time in solving problems 1-6, which involve basic algebra and geometry. He encourages efficient problem solving, noting that on the first...
Instructional Video
Khan Academy

SAT Prep: Test 3 Section 4 Part 4

9th - 12th
Adding the values of angles, deciphering fraction word problems, and solving complex linear equations are all in a day's work for Sal, who will stop at nothing to help your students pass the SAT. His clear annotations and strong...
Instructional Video3:03
Khan Academy

Introduction to Exponents, Pre-Algebra

7th - 9th
This video involves both positive and negative numbers. Sal explains the definition and function of exponents. This video offers several examples, ranging from simple to more complex, which are especially helpful for those who multiply...
Instructional Video
Khan Academy

SAT Prep: Test 3 Section 4 Part 3

9th - 12th
Continuing his lessons on the practice SAT, Sal takes students through problems 10-13, which involve absolute value, comparing angles in a geometric diagram, and finding the median number in a set of consecutive integers. Students will...