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Geometry
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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.
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.
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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!
with Sanjay NoronhaThe 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!
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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.
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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!
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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!
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5 minFREEGeometry lessonFree3 CQ
Want to know how to find the shortest distance from a point to a line? Math teacher Al Richards demonstrates how using analytic geometry and trigonometry.
with Al RichardsWant to know how to find the shortest distance from a point to a line? Math teacher Al Richards demonstrates how using analytic geometry and trigonometry.
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9 minFREEAlgebra lessonFree5 CQ
The Pythagorean theorem is an essential mathematical equation used in the study of algebra and geometry. Learn how to use it to solve for different variables.
with Master MathThe Pythagorean theorem is an essential mathematical equation used in the study of algebra and geometry. Learn how to use it to solve for different variables.
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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.
with Bleier BiologyPreparing 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.
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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!
with Sanjay NoronhaLooking 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!
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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.
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 built-in app features.
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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!
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!
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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.
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.
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1491 min14-part Computer Science course54 CQ
In today's business environment, system development and computer programming drive innovation and make things work better. Get an in-depth overview of how they work together for managing a business.
with Todd McLeodIn today's business environment, system development and computer programming drive innovation and make things work better. Get an in-depth overview of how they work together for managing a business.
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11185 min11-part Computer Science course99 CQ
If you want to add Linux to your programming skills, get expert insights and on-screen demonstrations in this deep-dive course that can help you launch or elevate your software development career.
with Travis P. BonfigliIf you want to add Linux to your programming skills, get expert insights and on-screen demonstrations in this deep-dive course that can help you launch or elevate your software development career.
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1095 min10-part Computer Science course51 CQ
In this digital logic course, learn basic types of binary coding, adding and subtracting binary code, AND, OR, XOR, NOT, NAND, and NOR gates, logic circuits, De Morgan's Theorem, and Karnaugh maps.
with Jack BuffingtonIn this digital logic course, learn basic types of binary coding, adding and subtracting binary code, AND, OR, XOR, NOT, NAND, and NOR gates, logic circuits, De Morgan's Theorem, and Karnaugh maps.
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11110 min11-part Computer Science course61 CQ
Learn how to set up a do-it-yourself home wireless network in this course. From terminology and equipment to setup and best practices, this hands-on IT course teaches how to build a wifi network.
with CPU ModderLearn how to set up a do-it-yourself home wireless network in this course. From terminology and equipment to setup and best practices, this hands-on IT course teaches how to build a wifi network.
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11112 min11-part Computer Science course61 CQ
You've likely heard about hacking and tried to protect your online identity from hackers. But what is hacking, who does it, and why? In this complete web hacking basics course, answer these questions!
You've likely heard about hacking and tried to protect your online identity from hackers. But what is hacking, who does it, and why? In this complete web hacking basics course, answer these questions!