STEM Browse 6831 lessons in library

### Algebra

• 11
103 min
11-part Algebra course
Playing
57 CQ
Easy Ways to Solve Quadratic Equations
An 11-part course with Wiederhold's Wonderful World of Math

In this algebra course, discover the ins-and-outs of quadratics--and learn how to solve equations by graphing, factoring, completing the square, and using the quadratic formula.

In this algebra course, discover the ins-and-outs of quadratics--and learn how to solve equations by graphing, factoring, completing the square, and using the quadratic formula.

• 16
206 min
16-part Algebra course
Playing
111 CQ
Mastering Basic Algebra
A 16-part course with Al Richards

Whether you are a math student, or an adult seeking a refresher, it is time to brush up on Algebra! In this course, master algebraic concepts from start to finish!

Whether you are a math student, or an adult seeking a refresher, it is time to brush up on Algebra! In this course, master algebraic concepts from start to finish!

• 12
93 min
12-part Algebra course
Playing
54 CQ
Basic Principles of Algebra I
A 12-part course with Math Fortress

New to algebra and confused by its concepts? In this Algebra I course for beginners, Math Fortress provides clear and concise explanations, starting with variables and ending with word problems.

New to algebra and confused by its concepts? In this Algebra I course for beginners, Math Fortress provides clear and concise explanations, starting with variables and ending with word problems.

• 31
113 min
31-part Algebra course
Playing
73 CQ
Algebra I Regents Exam Practice Problems
A 31-part course with Math Fortress

Studying for the Regents Exam and need help with the algebra one section? In this course, run through thirty-seven example problems that cover basic algebra concepts you'll need to know to pass.

Studying for the Regents Exam and need help with the algebra one section? In this course, run through thirty-seven example problems that cover basic algebra concepts you'll need to know to pass.

• 10
119 min
10-part Algebra course
Playing
66 CQ
Solving Equations for X
A 10-part course with Eric Buffington

Does solving for x make your head spin? Math teacher Eric Buffington explains the simple steps to finding x, from one-step addition problems to equations with x on both sides of the equals sign.

Does solving for x make your head spin? Math teacher Eric Buffington explains the simple steps to finding x, from one-step addition problems to equations with x on both sides of the equals sign.

• 13
119 min
13-part Algebra course
Playing
66 CQ
A 13-part course with Math Fortress

Now that you have algebra basics down, it's time to delve into quadratic equations. In this math course, students learn how to solve binomial and trinomial quadratic equations through factoring.

Now that you have algebra basics down, it's time to delve into quadratic equations. In this math course, students learn how to solve binomial and trinomial quadratic equations through factoring.

• 13
111 min
13-part Algebra course
Playing
62 CQ
Working with Fractions
A 13-part course with Eric Buffington

Can't make heads or tails of numerators and demoninators? In this basic arithmetic course, certified teacher Eric Buffington explains the ins and outs of fractions.

Can't make heads or tails of numerators and demoninators? In this basic arithmetic course, certified teacher Eric Buffington explains the ins and outs of fractions.

• 4 min
Algebra lesson
Playing
3 CQ
Japanese Viral Math Problem
A lesson with Sanjay Noronha

This math puzzle went viral in Japan some time ago after the media reported that only 60% of 20 year olds could arrive at the correct answer.

This math puzzle went viral in Japan some time ago after the media reported that only 60% of 20 year olds could arrive at the correct answer.

• 3 min
Algebra lesson
Playing
2 CQ
PEMDAS & BODMAS Math Puzzles
A lesson with Sanjay Noronha

This viral lesson introduces a viral math problem that looks simple but had thousands confused. Find out how to use order of operations to solve the problem.

This viral lesson introduces a viral math problem that looks simple but had thousands confused. Find out how to use order of operations to solve the problem.

• 1 min
FREE
Algebra lesson
Playing
Free
1 CQ
Easy way to estimate a square root
A lesson with Marty Brandl's Math Help
• 1 min
FREE
Algebra lesson
Playing
Free
1 CQ
Use FOIL when multiplying binomials
A lesson with Al Richards
• 1 min
FREE
Algebra lesson
Playing
Free
1 CQ
What are monomials?
A lesson with Eric Buffington
• 1 min
FREE
Algebra lesson
Playing
Free
1 CQ
Equal vs. not equal in algebra
A lesson with Math Fortress
• 5 min
Algebra lesson
Playing
3 CQ
Solving 1-Step Algebra Equations
A lesson with Eric Buffington

In this lesson, you'll learn how to solve one-step equations with a single variable involving addition, subtraction, multiplication, and division.

In this lesson, you'll learn how to solve one-step equations with a single variable involving addition, subtraction, multiplication, and division.

• 13 min
FREE
Algebra lesson
Playing
Free
7 CQ
Multi-Step & Multivariable Equations
A lesson with Open Window Learning

Learn how to solve three multi-step equations and two multivariable equations and review important algebraic concepts as you follow along with this lesson.

Learn how to solve three multi-step equations and two multivariable equations and review important algebraic concepts as you follow along with this lesson.

• 17 min
FREE
Algebra lesson
Playing
Free
9 CQ
Intro to Solving Algebraic Equations
A lesson with Open Window Learning

In this lesson, gain an introduction to algebraic equations by learning what they are, how to solve them, and trying out several equation examples.

In this lesson, gain an introduction to algebraic equations by learning what they are, how to solve them, and trying out several equation examples.