Khan Academy
Product Rule, Taking Derivatives, Differential Calculus
Sal defines the product rule and then shows two examples of its use. He then shows an example of finding the derivative using the chain and product rules together.
Khan Academy
Exponent Properties Involving Products, Numbers and Operations, 8th grade
After a short review of exponents, Sal incorporates exponent properties into his sample problems. This video is a great resource for those who need Sal's steady pace of instruction and the challenge of more complicated problems.
Khan Academy
SAT Prep: Test 5 Section 7 Part 3
The most helpful part of this video is at the very end, when Sal demonstrates how to solve a combinations problem incorrectly (after initially finding the correct answer). The trial-and-error strategy of solving multiple-choice math...
Khan Academy
How to Rationalize a Denominator, Exponent Expressions and Equations, Algebra I
"Sal, why do we care? Why must we rationalize denominators?" Acknowledging these (possibly pleading) concerns, Sal explains the reasons behind rationalizing a denominator before demonstrating how to do it several times. Though he admits...
Khan Academy
SAT Prep: Test 5 Section 7 Part 6
Give your students the edge on their upcoming SAT with this video, which covers algebraic and linear equations. Math students who have a hard time transitioning between skills would benefit from seeing Sal do so.
Khan Academy
SAT Prep: Test 2 Section 6 Part 2
Reviewing the last problem from the previous video because he feels that he "rushed it," Sal again explains the concept of ratios as it applies to problem 6 on the practice SAT (page 472 in The Official SAT Study Guide). Additional...
Khan Academy
SAT Prep: Test 2 Section 3 Part 1
Page 459 of The Official SAT Study Guide by The College Board features another set of practice SAT math problems, beginning with problems 1-4. Sal demonstrates how to solve problems with factoring and visualization.
Curated OER
SAT Prep: Test 4 Section 4 Part 2
Problems 7-11, which involve both geometry and algebra problems, allow students to practice transitioning between skills. Sal takes time to explain the process of each problem so that students will understand the test strategies as well...
Khan Academy
Introduction to Logarithms
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...
Khan Academy
Introduction to Exponents, Pre-Algebra
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...
Khan Academy
SAT Prep: Test 6 Section 3 Part 2
Problems 5-7 start out with an algebraic equation involving exponents. Undaunted, Sal solves the problem easily, moving on to graphing questions and starting a problem with a geometric figure (which he continues in the next video).
Khan Academy
Exponent Properties Involving Quotients (Examples)
This video focuses on a series of problems involving exponent properties. Sal demonstrates rational expressions, simplifying fractions, and manipulating algebraic equations using exponents and division.
Khan Academy
SAT Prep: Test 3 Section 4 Part 2
Sal explains how helping his young cousins with their math skills inspired him to make this series of videos, so he can help a bunch of people pass the SAT. In this video, he covers exponents, quadratics, and parabolas in problems 5-9 on...
Khan Academy
SAT Prep: Test 7 Section 8 Part 1
A new set of SAT practice questions from the Official SAT Study Guide (page 803) greets Sal and the viewer. Problems 1-7 involve basic algebraic equations, linear equations, and geometric figures.
Khan Academy
SAT Prep: Test 3 Section 8 Part 2
Problems 7-9 involve exponents, inequalities, and geometric figures (diameter and radius), all of which Sal explores eagerly. After misreading one problem, he takes care to correct his mistake, showing students how important it is to...
Khan Academy
SAT Prep: Test 1 Section 3 Part 3
Sal demonstrates the methods needed to solve problems 8-10 in this video. He begins his lecture with a more thorough explanation of problem 7 (which he feels he "rushed" in the last video). These problems involve skills such as...
Khan Academy
Negative Exponent Intuition, Pre-Algebra
"Demystifying" an often mysterious problem, Sal demonstrates some tricks for considering exponents intuitively, rather than working them out each time. He first takes viewers through positive exponents and works up to negative exponents,...
Khan Academy
SAT Prep: Test 8 Section 8 Part 2
One of Sal's greatest gifts to students in this SAT video series has been his demonstration of word problems. Because he writes out equations while simultaneously reading the information provided, he often arrives at the correct answer...
Khan Academy
SAT Prep: Test 7 Section 2 Part 3
The problems are getting a little more difficult in this video, which covers problems 13-16 on page 778, but Sal is still easy to understand. He demonstrates various strategies for solving algebraic expressions and problems involving...
Khan Academy
SAT Prep: Test 7 Section 5 Part 4
Transitioning between algebra and geometry is no problem for Sal as he deftly solves these practice SAT problems. Mathematicians who have a hard time moving between skill sets will appreciate the way that Sal addresses each new problem...
Khan Academy
Evaluating an Algebraic Expression with Exponents
Here is the first video in a three-part series on evaluating exponential expressions. Sal Khan evaluates an exponential expression, reminding students to use PEMDAS while he demonstrates and explains his algebraic reasoning.
Mathispower4u
Exponent Review (Example 1)
It's easy to become an expert on exponents. Viewers of an educational video first review the properties of exponents. They then see examples covering multiplying and dividing exponents, applying the power property, and rewriting...
Mathispower4u
Exponent Review (Example 2)
Expect to learn a lot about exponents. An instructional video works through examples that show how to apply the properties of exponents when there are two variables, x and y. Scholars learn about the product of powers property, the...
Flipped Math
Rational Exponents
The power of a good lesson is exponential. Young mathematicians view a video lesson that introduces rational exponents and how exponent properties apply. They then use properties of exponents to solve exponential equations with rational...