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Algebra

11103 min11part Algebra course57 CQ
In this algebra course, discover the insandouts of quadraticsand learn how to solve equations by graphing, factoring, completing the square, and using the quadratic formula.
In this algebra course, discover the insandouts of quadraticsand learn how to solve equations by graphing, factoring, completing the square, and using the quadratic formula.

16206 min16part Algebra course111 CQ
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!
with Al RichardsWhether 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!

1293 min12part Algebra course54 CQ
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.
with Math FortressNew 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.

31113 min31part Algebra course73 CQ
Studying for the Regents Exam and need help with the algebra one section? In this course, run through thirtyseven example problems that cover basic algebra concepts you'll need to know to pass.
with Math FortressStudying for the Regents Exam and need help with the algebra one section? In this course, run through thirtyseven example problems that cover basic algebra concepts you'll need to know to pass.

10119 min10part Algebra course66 CQ
Does solving for x make your head spin? Math teacher Eric Buffington explains the simple steps to finding x, from onestep addition problems to equations with x on both sides of the equals sign.
with Eric BuffingtonDoes solving for x make your head spin? Math teacher Eric Buffington explains the simple steps to finding x, from onestep addition problems to equations with x on both sides of the equals sign.

13119 min13part Algebra course66 CQ
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.
with Math FortressNow 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.

624 min6part Algebra course16 CQ
This course from You Do the Maths covers the definition of exponents, their unique types, as well as the different ways to simplify and solve the algebraic equations in which they appear.
with You do the MathsThis course from You Do the Maths covers the definition of exponents, their unique types, as well as the different ways to simplify and solve the algebraic equations in which they appear.

412 min4part Algebra course9 CQ
Learn to solve algebra equations, such as adding, subtracting, multiplying, and more, and review how to break word problems down into algebraic equations using variables, coefficients, and constants.
with You do the MathsLearn to solve algebra equations, such as adding, subtracting, multiplying, and more, and review how to break word problems down into algebraic equations using variables, coefficients, and constants.

829 min8part Algebra course20 CQ
This course from You Do the Maths explains the basic process behind factoring numbers and simple algebraic terms, then moves on to factoring more complex quadratic functions of different kinds.
with You do the MathsThis course from You Do the Maths explains the basic process behind factoring numbers and simple algebraic terms, then moves on to factoring more complex quadratic functions of different kinds.

5 minAlgebra lesson3 CQ
In this lesson, you'll learn how to solve onestep equations with a single variable involving addition, subtraction, multiplication, and division.
with Eric BuffingtonIn this lesson, you'll learn how to solve onestep equations with a single variable involving addition, subtraction, multiplication, and division.

13 minFREEAlgebra lessonFree7 CQ
Learn how to solve three multistep equations and two multivariable equations and review important algebraic concepts as you follow along with this lesson.
with Open Window LearningLearn how to solve three multistep equations and two multivariable equations and review important algebraic concepts as you follow along with this lesson.

17 minFREEAlgebra lessonFree9 CQ
In this lesson, gain an introduction to algebraic equations by learning what they are, how to solve them, and trying out several equation examples.
with Open Window LearningIn this lesson, gain an introduction to algebraic equations by learning what they are, how to solve them, and trying out several equation examples.
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325 min3part Biology course14 CQ
Preparing for the AP Biology exam? In this threepart course, get clear explanations of Darwinian evolution by natural selection, modern evolutionary theory, and the history of life on Earth.
with Bleier BiologyPreparing for the AP Biology exam? In this threepart course, get clear explanations of Darwinian evolution by natural selection, modern evolutionary theory, and the history of life on Earth.

7107 min7part iOS Development course57 CQ
Looking for a programming language that can do some heavylifting but doesn't take years to master? When programming for iOS, OS X, and watchOS, Apple's programming language Swift is the best choice!
with Sanjay NoronhaLooking for a programming language that can do some heavylifting but doesn't take years to master? When programming for iOS, OS X, and watchOS, Apple's programming language Swift is the best choice!

11163 min11part iPhones + iPads course88 CQ
Want to get the most out of your iPhone? This course from tech expert Todd Olthoff is the perfect guide, for everything from basic installation to builtin app features.
with Todd OlthoffWant to get the most out of your iPhone? This course from tech expert Todd Olthoff is the perfect guide, for everything from basic installation to builtin app features.

41572 min41part Arduino course303 CQ
Want to build a new robot friend? How about create a cool LED sign? Whatever the gadget may be, get started with this beginnerfriendly Arduino course from Open Source Hardware!
Want to build a new robot friend? How about create a cool LED sign? Whatever the gadget may be, get started with this beginnerfriendly Arduino course from Open Source Hardware!

1270 min12part Science course41 CQ
If you're looking for fun activities for kids that are equal parts science and craft, you'll love this course with lessons covering everything from homemade oobleck to egghead gardens.
with Sophie's WorldIf you're looking for fun activities for kids that are equal parts science and craft, you'll love this course with lessons covering everything from homemade oobleck to egghead gardens.

24167 min24part Geometry course96 CQ
Having trouble in geometry class? Reviewing for the SATs? This course from Math Fortress explains the principles of geometry, from segments, intersections, and degrees to angles and congruence.
with Math FortressHaving trouble in geometry class? Reviewing for the SATs? This course from Math Fortress explains the principles of geometry, from segments, intersections, and degrees to angles and congruence.

3 minFREEGeometry Nerdy CurioFree2 CQ
As we kick off a new year, let us ponder our we've "shaped" our world. A Nerdy Curio all about flat surfaces, stability, and the power of three.
As we kick off a new year, let us ponder our we've "shaped" our world. A Nerdy Curio all about flat surfaces, stability, and the power of three.

2 minFREEGeometry lessonFree2 CQ
In this lesson, a young learner helps kids understand a foundational mathematical concept—how to solve for the hypotenuse of a right angle triangle!
with Sanjay NoronhaIn this lesson, a young learner helps kids understand a foundational mathematical concept—how to solve for the hypotenuse of a right angle triangle!

19 minFREEAlgebra lessonFree10 CQ
The Pythagorean theorem is one of the most important ideas in geometry. Learn to use Pythagoras’ theorem to solve triangles, diagonals, and more!
with Me vs MathsThe Pythagorean theorem is one of the most important ideas in geometry. Learn to use Pythagoras’ theorem to solve triangles, diagonals, and more!