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1:45
Lesson Planet

SAT Prep: Test 3 Section 4 Part 5

For Students 9th - 12th
The last part of problem 18 is the focus of this short video. Sal picks up where he left off, factoring the end of the linear equation, and reminding students to view his video on factoring if they are still confused.
4:27
Lesson Planet

Order of Operations

For Students 6th - 9th
Please Excuse My Dear Aunt Sally - or whichever mnemonic your students use for the order of operations - is the focus of this video. Sal takes viewers through various mathematical equations which require the use of the order of...
4:02
Lesson Planet

SAT Prep: Test 7 Section 5 Part 5

For Students 9th - 12th
Sal completes problem 20 from this session of the practice SAT (page 796). He draws the parallelogram necessary for solving the problem, and spends a good amount of time explaining the process and method behind the answer. This video is...
3:55
Lesson Planet

SAT Prep: Test 7 Section 2 Part 4

For Students 9th - 12th
Problems 17 and 18 finish up this practice session, making this a short and easy video to show in class if necessary. Sal demonstrates how to translate word problems into algebraic expressions to both ease understanding and save some...
3:37
Lesson Planet

LIBOR: London InterBank Offer Rate

For Students 9th - Higher Ed
Sal explains the relationship of FIBOR to interest rates and to other interbank borrowing rates, such as the Federal Funds Rate in the U.S. Viewers will appreciate the simple way he defines and contextualizes these concepts in this short...
9:59
Lesson Planet

SAT Prep: Test 2 Section 3 Part 4

For Students 9th - 12th
SAT test-takers get to review median numbers, perimeters, right angles, slopes, and prime factorization in this video, which focuses on problems 13-16. Sal's even pace and methodical problem solving will bolster the confidence of even...
2:35
Lesson Planet

SAT Prep: Test 4 Section 8 Part 4

For Students 9th - 12th
Working exclusively on problem 16 (the final problem of this practice session), Sal explains how to solve problems on consecutive integers and sequences. Students who are struggling with this skill would especially benefit from this...
2:26
Lesson Planet

Multiplying Fractions

For Students 5th - 9th
Multiplying fractions has never been easier than in this presentation, which demonstrates the correct way to approach a fraction multiplication problem. Experienced and struggling mathematicians alike will appreciate the way the speaker...
5:02
Lesson Planet

Factoring Trinomials with a Common Factor

For Students 9th - 11th
Use division and factoring to determine the leading 1 coefficient. This presentation thoroughly explains how to factor a trinomial in order to determine its common factors.
3:58
Lesson Planet

Graphing Using X and Y Intercepts

For Students 9th - 11th
After defining intercept, Sal solves a simple equation to identify each intercept and then plots the line on a graph. This video would quite nicely complement an introductory lesson on graphing.
3:57
Lesson Planet

Equation of a Line 2

For Students 9th - 11th
When students are ready to use the slope and a coordinate pair to determine the equation of a line using slope-intercept form, then they will be ready to watch this video. Sal does a fantastic job explaining this concept.
5:29
Lesson Planet

Consistent and Inconsistent Systems

For Students 9th - 11th
First Sal defines consistent and inconsistent equations. He then evaluates a system of linear equations to determine if they are consistent or not. This resource is very clear and would be a wonderful video to show prior to a test or at...
3:55
Lesson Planet

Factoring Trinomials with a Non-1 Leading Coefficient

For Students 9th - 11th
Here is a complete and clear demonstration of the process needed to factor a trinomial with a non-1 leading coefficient. Sal uses various colors and provides working examples while he factors the simple trinomial. This video would be...
5:36
Lesson Planet

Graphical System of Inequalities

For Students 9th - 11th
If your class has a grasp on the concept of graphing systems of equations and has worked inequalities, then it's time to expose them to the wonders of graphing systems of inequalities. Using various colors and a graph, Sal explains what...
4:54
Lesson Planet

Factoring Perfect Square Trinomials

For Students 9th - 11th
Introduce young mathematicians to the concept of factoring trinomials with perfect squares. This descriptive video provides a meaningful explanation of the factoring process. Each step is carefully written out in various colors during...
6:23
Lesson Planet

Dividing Polynomials with Remainders

For Students 9th - 11th
Similar to the Khan Academy video on dividing polynomials 1, this presentation shows how to divide two polynomial expressions. Now the polynomial has a remainder.
4:45
Lesson Planet

Polynomial divided by monomial

For Students 9th - 11th
Let's think about the ways in which a person could simplify an expression where a polynomial is divided by a monomial. Sal shares 3 different modes he could use to simplify, then uses each way to solve the same problem.
2:30
Lesson Planet

Adding polynomials with multiple variables

For Students 9th - 11th
While explaining how to add polynomial expressions with multiple variables, Sal uses academic vocabulary and a clear thinking process. This video is relatively short and would be appropriate for students working on homework or prepping...
5:33
Lesson Planet

Adding numbers with different signs (example)

For Students 5th - 7th Standards
Explaining the concept of adding integers with different signs can become confusing. Use this video to provide students with a clear and explicit demonstration of how negative and positive numbers are added together. Sal uses a number...
Lesson Planet

Correlation of Variables by Graphing

For Teachers 7th - 10th
Middle and high schoolers use a spreadsheet to graph data. In this graphing lesson plan, learners determine how two parameters are correlated. They create a scatter plot graph using a computer spreadsheet.
Lesson Planet

Egyptian Counting

For Teachers 5th - 8th
Ancient Egyptian's had a fantastic number system and your class gets to use it to practice basic math skills! They are presented with several examples of Egyptian numbers which they use to complete several addition and subtraction...
Lesson Planet

Purchasing Items Using the Next Dollar Strategy

For Teachers 9th - Higher Ed
Drill and practice is the method of teaching for today. Special needs pupils practice rounding to the next dollar value when purchasing an item at the store. They are shown flash cards with a monetary value, they then have 3-5 seconds to...
Lesson Planet

Lesson 6: Mittens, Socks, Mittens, Socks, Mittens!

For Teachers K - 8th
Mittens and socks, two of my favorite clothing items!  Young learners with special needs, explore clothing appropriate for cold weather. They identify both socks and mittens, discuss weather appropriate clothing, and listen to the story,...
Lesson Planet

Hawaii No Ka Oi!

For Teachers 6th - 8th
Aloha! Young travel agents research Hawaii and then create a travel brochure and itinerary for a trip to the Hawaiian islands. Following a given list of criteria, pairs use the Internet to design a trip for a family of four, develop a...