Khan Academy
SAT Prep: Test 4 Section 8 Part 2
Young mathematicians will appreciate Sal's careful - yet efficient - methods for solving these typical SAT problems. He takes care to explain problems 8-12, but gets cut off in the middle of problem 12 (to be continues in the next video).
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.
Khan Academy
SAT Prep: Test 8 Section 5 Part 1
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...
Khan Academy
SAT Prep: Test 7 Section 8 Part 4
Finishing this practice session, Sal takes care to address the last three problems, which are also the most complicated of the set. Problem 14 is a tricky algebra question that results in Sal plugging in the multiple choice answers to...
Khan Academy
SAT Prep: Test 7 Section 2 Part 1
Sal picks up the pace in this video, going through problems 1-7 on page 774 of The Official SAT Study Guide. Basic algebra, arithmetic, and geometry problems start out this section, allowing students to build up some steam before hitting...
Khan Academy
SAT Prep: Test 8 Section 5 Part 3
Have a blast with Sal as he solves these SAT practice questions! He enjoys himself with visualization and combination problems, showing not only how to solve the problems but to see math as a riddle rather than a threat.
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 6 Section 7 Part 1
Another SAT practice test from The Official SAT Study Guide is the focus of this video, which starts out with simple problems involving integers, factoring, perimeters, and percentages. Students will appreciate the relative ease with...
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 3 Part 7
Not only solving the problems but deciphering the methods behind them, this video assists students with test-taking strategies, such as solving for x in algebraic equations quickly, efficiently, and correctly. Problems 17-18 on page 399...
Curated OER
SAT Prep: Test 3 Section 4 Part 5
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.
Khan Academy
SAT Prep: Test 6 Section 3 Part 4
The strength of this video lies in Sal's ability to immediately translate word problems to equations - a skill that might allow many SAT takers to have a better chance at finding the correct answer. If students watch him practice this...
Khan Academy
SAT Prep: Test 3 Section 2 Part 4
Finding perimeters and slopes is the focus of this video, which details ways to solve problems 15-17 on the practice SAT. Even students who are confident in their ability to pass the SAT would benefit from this additional review.
Curated OER
How Do You Solve a Polynomial Equation With Two Variables?
Sometimes you'll need to solve an equation with multiple variables on each side. This step-by-step tutorial will show you how to set your equation to 0, factor out the GCF, simplify, write your answers as a set, then plug and chug to...
Curated OER
How Do You Find All the Possible Factors of a Trinomial?
So you are looking for all the possible binomial factors of a trinomial expression? First find the factors of the coefficients. Then set up a table or template to do a guess and check. Write out, using the template, all the possible...
Curated OER
How Do You Factor a Trinomial?
The word FOIL stands for First, Outer, Inner, Last. Use a provided template to factor a binomial then use the FOIL method to check your answer. Factoring and multiplying binomials never looked so easy.
Curated OER
How Do You Know if You Have a Difference of Squares?
What are the characteristics of a polynomial that would make it factorable by the difference of squares rule? There are four must haves: two terms, coefficients are perfect squares, minus sign, degree of each term is even or zero. If it...
Curated OER
How Do You Factor a Polynomial Using Difference of Cubes?
What is the difference of a cube? When is it used? How does it work? Use it to factor a binomial involving subtraction. Rewrite the terms as a cubed expression. Then apply the difference of cubes formula. Don't forget to simplify. Still...
Curated OER
How Do You Figure Out What Factoring Strategy to Use?
Greatest common factor, grouping terms, binomials, difference of squares, sum or difference of cubes, are some of the factoring strategies that can be used. Sometimes it takes more than one of these methods to solve a problem. Hear the...
Curated OER
What's the Grid Method of FOILing?
Have you ever heard of the FOIL method? Watch and learn how the FOIL method can be used to help you multiply binomials. It all starts with a tic-tac-toe box and two polynomials then ends with a correct answer.
Curated OER
How Do You Factor a Polynomial by Grouping?
There are four terms in this polynomial. Try to factor it by grouping the terms. Confused? Try to get four terms into the product of two binomials? Still confused? Watch the instructor as she goes through the steps to group and regroup...
Curated OER
What's FOIL?
FOIL= first, outside, inside, last. Use this method to multiply two binomials. The teacher demonstrates this method using variables. Then she demonstrates with numbers and variables and writes out each term being multiplied. Finally,...
Curated OER
How Do You Find a Missing Term in a Polynomial?
The instructor does a very good job of explaining all the things you need to do to find the integer values of this given trinomial. She demonstrates how to set up a template to be able to check the signs of the terms. Next step, what are...
Curated OER
How Do You Find All the Possible Factors of a Trinomial?
So you are looking for all the possible binomial factors of a trinomial expression? First find the factors of the coefficients. Then set up a table or template to do a guess and check. Write out, using the template, all the possible...