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11103 min11-part Algebra course57 CQ
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.
16206 min16-part 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!
1293 min12-part 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.
31113 min31-part Algebra course73 CQ
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.
10119 min10-part Algebra course66 CQ
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.
13119 min13-part 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.
624 min6-part 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.
412 min4-part 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.
829 min8-part 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.
4 minAlgebra lesson3 CQ
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 minAlgebra lesson2 CQ
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.
5 minAlgebra lesson3 CQ
In this lesson, you'll learn how to solve one-step equations with a single variable involving addition, subtraction, multiplication, and division.
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325 min3-part Biology course14 CQ
Preparing for the AP Biology exam? In this three-part course, get clear explanations of Darwinian evolution by natural selection, modern evolutionary theory, and the history of life on Earth.
7107 min7-part iOS Development course57 CQ
Looking for a programming language that can do some heavy-lifting 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 min11-part 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 built-in app features.
41572 min41-part 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 beginner-friendly Arduino course from Open Source Hardware!
1270 min12-part 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.
35258 min35-part Geometry course146 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.
6 minGeometry lesson4 CQ
The math problem covered in this lesson appeared in an MIT admission test in the year 1869, and is a good test of geometry concepts. Give it a try!
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.
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!