سرفہرست ویڈیوز
TeacherTube User: Kodlacimamath
TeacherTube URL: http://www.teachertube.com/vie....wVideo.php?video_id=
This is a math video lesson to help you with new math, math tricks, and or simple math questions you may have.
practice exponent work with fractions
In this video, I explain how to convert a positive integer to a congruent integer within a given modulo.
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On this lesson, you will learn how to translate and convert words into algebraic expressions and how to translate algebraic expressions and equations into words!
What is difference? What is sum? What is product? What is quotient?
Join us as we explore the ins-and-outs of translating algebraic expressions and equations into words :) For more MashUp Math content, visit http://www.mashupmath.com and join our free mailing list! :)
This lesson answers the questions: How do I write an algebraic expression in words? How do I translate a verbal expression? How do I translate a verbal equation? How do I model a function in words?
Be sure to join our mailing list at http://www.mashupmath.com
On this lesson, we will work through several triangle congruence Geometry Proofs Examples that focus on isosceles triangles, cpctc, the base angle theorem, reflexive property, segment bisector, and the addition postulate and you will learn how to complete two column proofs and triangle congruence proofs step by step!
For more MashUp Math content, visit http://www.mashupmath.com and join our free mailing list! :)
This lesson answers the questions: How can I prove that two triangles are congruent? How can I complete a geometry proof? How do I prove vertical angles are congruent? How do I use CPCTC? How can I study geometry proofs?
Be sure to join our mailing list at http://www.mashupmath.com
Subscribe to Our Channel: https://www.youtube.com/channel/UCtBt...
On this triangle congruence lesson, you will learn the difference between the Angle-Angle-Side AAS theorem and the Angle-Side-Angle ASA theorem (also known as the asa postulate) when proving triangle congruence and what are same side interior angles?
This lesson answers the questions: How do I prove that two triangles are congruent? What is ASA? What is AAS? What is the difference between ASA and AAS?
Our lessons are perfect for flipped classroom math teachers and students. This lesson is aligned with the common core learning standards for math and the SAT math curriculum as well.
Be sure to join our mailing list at http://www.mashupmath.com
Being able to add two numbers quickly is an important maths skill.
This lesson shows how to add quickly in your head, from left to right (the way you would say the answer), through carrying numbers forward.
Mental computation - practice it - especially addition, as this is the most common use of maths used in society.
To donate to the tecmath channel:https://paypal.me/tecmath
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Direct division of Polynomials To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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How to solve algebra equations easily.
Obviously this works only for basic algebra equations but it will save you lots of time and unnecessary working. Algebra is easy with a bit of tecmath!
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How Many Faces, Edges And Vertices Does A Triangular Prism Have?
Here we’ll look at how to work out the faces, edges and vertices of a triangular prism.
We’ll start by counting the faces, these are the flat surfaces that make the shape. A triangular prism has 5 faces altogether - 2 triangle faces, as well as 3 rectangular faces.
Next we’ll work out how many edges the triangular prism has, which are where two faces meet. It has 9 edges.
Next we’ll count the corners (the corners). A triangular prism has 6 vertices.
For the full playlist for the faces, edges and Vertices of a whole lot of 3D shapes go to https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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Charlotte the Scientist Is Squished
by Camille Andros
Illustrated by Brianne Farley
Read by Let's Read Stories
Charlotte is a serious scientist. She solves important problems by following the scientific method. She has all the right equipment: protective glasses, a lab coat, a clipboard, and a magnifying glass. What she doesn’t have is space. She has so many brothers and sisters (she is a rabbit, after all) that she is too squished to work on her experiments! Can she use science to solve her problem? This funny, satisfying story is a playful introduction to the scientific method and perfect for sparking an interest in STEM subjects.
Click here to purchase Charlotte the Scientist Is Squished: https://www.amazon.com/Charlot....te-Scientist-Squishe
We interrupt your normally scheduled Crash Course content to bring a new and exciting project we're calling 'Recess'! These short, fully animated episodes are going to pop up a few times a year and will shed light on amazing stories from past or current Crash Course subjects that for one reason or another didn't make it into the shows. We're hoping they inspire you to get back into a series you may have drifted away from, or spark an interest in a subject you didn't even know you found cool! So kick back, relax, and enjoy some Recess time.
Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse
Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:
Mark Brouwer, Nickie Miskell Jr., Jessica Wode, Eric Prestemon, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Divonne Holmes à Court, Brian Thomas Gossett, Khaled El Shalakany, Indika Siriwardena, Robert Kunz, SR Foxley, Sam Ferguson, Yasenia Cruz, Daniel Baulig, Eric Koslow, Caleb Weeks, Tim Curwick, Evren Türkmenoğlu, Alexander Tamas, Justin Zingsheim, D.A. Noe, Shawn Arnold, mark austin, Ruth Perez, Malcolm Callis, Ken Penttinen, Advait Shinde, Cody Carpenter, Annamaria Herrera, William McGraw, Bader AlGhamdi, Vaso, Melissa Briski, Joey Quek, Andrei Krishkevich, Rachel Bright, Alex S, Mayumi Maeda, Kathy & Tim Philip, Montather, Jirat, Eric Kitchen, Moritz Schmidt, Ian Dundore, Chris Peters, Sandra Aft, Steve Marshall
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In which John Green discusses the strange and mutually beneficial relationship between a republic, the city-state of Venice, and an Empire, the Ottomans--and how studying history can help you to be a better boyfriend/girlfriend. Together, the Ottoman Empire and Venice grew wealthy by facilitating trade: The Venetians had ships and nautical expertise; the Ottomans had access to many of the most valuable goods in the world, especially pepper and grain. Working together across cultural and religious divides, they both become very rich, and the Ottomans became one of the most powerful political entities in the world. We also discuss how economic realities can overcome religious and political differences (in this case between Muslims and Christians), the doges of Venice, the sultans of the Ottoman empire, the janissaries, and the so-called slave aristocracy of the Ottoman Empire, and how money and knowledge from the Islamic world helped fuel and fund the European Renaissance. Also, there's a They Might Be Giants joke.
Chapters:
Introduction 00:00
Venice 1:02
Venetian Trade 1:26
Piazza San Marco 2:48
Venetian Imports, Exports, & Economy 3:45
Venetian Government 4:25
The Ottomans 4:46
Ottoman Sultans 5:21
An Open Letter to Ottoman Eunuchs 7:15
The Ottomans' and Venetians' Relationship 8:12
Credits 9:38
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If you really want to read about Ottoman eunuchs (warning: it's explicit), here you go: http://en.wikipedia.org/wiki/Eunuch#Ottoman_Empire
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In which John Green teaches you about America's "peculiar institution," slavery. I wouldn't really call it peculiar. I'd lean more toward a horrifying and depressing institution, but nobody asked me. John will talk about what life was like for an enslaved person in the 19th century United States, and how enslaved people resisted oppression, to the degree that was possible. We'll hear about cotton plantations, the violent punishment of enslaved people, the day-to-day lives of enslaved people, and slave rebellions. Nat Turner, Harriet Tubman, and Whipped Peter all make an appearance. Slavery as an institution is arguably the darkest part of America's history, and we're still dealing with its aftermath 150 years after it ended.
Hey teachers and students - Check out CommonLit's free collection of reading passages and curriculum resources to learn more about the events of this episode.
Memoirs from former slaves like abolitionist Frederick Douglass provide insightful context on the harsh realities of slavery: https://www.commonlit.org/text....s/the-narrative-of-t
Others resisted the violence of slavery through open rebellion, like Nat Turner: https://www.commonlit.org/text....s/nat-turner-s-slave
Abolitionists and free slaves alike had to fight against unfair laws such as the Fugitive Slave Act: https://www.commonlit.org/text....s/fugitive-slave-act
Want to learn more about the history and experiences of enslaved people in the United States? Check out these videos from Crash Course Black American History:
The Transatlantic Slave Trade (#1): https://www.youtube.com/watch?v=S72vvfBTQws
Slavery in the American Colonies (#2): https://www.youtube.com/watch?v=G4syEkyOzmY
Slave Codes (#4): https://www.youtube.com/watch?v=gu9RIGGXeNo
The Germantown Petition Against Slavery (#5): https://www.youtube.com/watch?v=XT8q6cYsVpc
The US Constitution, 3/5, and the Slave Trade Clause (#9): https://www.youtube.com/watch?v=57xUbch1viI
The Fugitive Slave Act of 1793 (#10): https://www.youtube.com/watch?v=AcdOWKiKgWU
Women's Experience Under Slavery (#11): https://www.youtube.com/watch?v=eAe7ETfQ_aA
The Underground Railroad (#15): https://www.youtube.com/watch?v=Byh-HityBIM
Chapters:
Introduction: Slavery in Early America 00:00
North & South economic ties 0:50
Slave-based agriculture in the South 1:49
Popular attitudes concerning slavery 2:28
Lives & experiences of enslaved people 5:53
Family, love, & religion of enslaved people 8:00
Mystery Document 9:18
How people resisted & escaped slavery 10:37
Slave rebellions 11:37
Nat Turner's Rebellion 12:09
How enslaved people resisted their oppression & why it matters 12:48
Credits 13:48
Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse
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In which John Green teaches you about the roots of the American Revolution. The Revolution did not start on July 4, 1776. The Revolutionary War didn't start on July 4 either. (as you remember, I'm sure, the Revolution and the Revolutionary War are not the same thing) The shooting started on April 19, 1775, at Lexington and/or Concord, MA. Or the shooting started with the Boston Massacre on March 5, 1770. At least we can pin down the Declaration of Independence to July 4, 1776. Except that most of the signers didn't sign until August 2. The point is that the beginning of the Revolution is very complex and hard to pin down. John will lead you through the bramble of taxes, royal decrees, acts of parliament, colonial responses, and various congresses. We'll start with the end of the Seven Years' War, and the bill that the British ran up fighting the war. This led to taxes on colonial trade, which led to colonists demanding representation, which led to revolution. It all seems very complicated, but Crash Course will get you through it in about 12 minutes.
Hey teachers and students - Check out CommonLit's free collection of reading passages and curriculum resources to learn more about the events of this episode. Many events paved the road to American Independence from England: https://www.commonlit.org/text....s/the-road-to-americ
England’s taxation on American colonists led to the famous 1773 Boston Tea Party: https://www.commonlit.org/text....s/give-me-liberty-or
And in 1775, Patrick Henry delivered a speech that rallied Virginias to form a militia against Britain: https://www.commonlit.org/text....s/a-participant-s-fi
Chapters:
Introduction: The American Revolution 00:00
The End of the Seven Years War 0:36
Taxation in the American Colonies 1:47
The Stamp Act 2:22
The Townshend Acts 3:31
The Boston Massacre 4:22
The Boston Tea Party 4:54
The Intolerable Acts 5:47
The First Continental Congress 6:14
American Revolution =/= American War for Independence 7:35
Early Battles of the American Revolutionary War 7:58
Mystery Document 8:45
Thomas Paine's Common Sense 10:09
Credits 11:47
Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse
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So, during times of inflation or deflation, why doesn't the government just set prices? It sounds reasonable, but price ceilings or floors just don't work. Adriene and Jacob explain why. Subsidies, however, are a little different, and sometimes they even work. We'll also explain that. Today you'll learn about stuff like price controls, deadweight loss, subsidies, and efficiency.
Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse
Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:
Mark, Eric Kitchen, Jessica Wode, Jeffrey Thompson, Steve Marshall, Moritz Schmidt, Robert Kunz, Tim Curwick, Jason A Saslow, SR Foxley, Elliot Beter, Jacob Ash, Christian, Jan Schmid, Jirat, Christy Huddleston, Daniel Baulig, Chris Peters, Anna-Ester Volozh, Ian Dundore, Caleb Weeks
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Hank describes how cells regulate their contents and communicate with one another via mechanisms within the cell membrane.
"Concert" music used with permission from Chameleon Circuit.
This video uses sounds from Freesound.org
Table of Contents time codes:
1) Passive Transport - 1:17
2) Diffusion - 1:25
3) Osmosis - 2:12
4) Channel Proteins- 4:37
5) Active Transport - 4:58
6) ATP - 5:37
7) Transport Proteins - 6:19
8) Biolography - 6:37
9) Vesicular Transport - 9:02
10) Exocytosis - 9:21
11) Endocytosis - 9:50
12) Phagocytosis - 9:57
13) Pinocytosis - 10:29
14) Receptor-Mediated Endocytosis - 10:48
Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse
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Hank introduces us to biogeochemical cycles by describing his two favorites: carbon and water. The hydrologic cycle describes how water moves on, above, and below the surface of the Earth, driven by energy supplied by the sun and wind. The carbon cycle does the same... for carbon!
Table of Contents
1) Hydrologic Cycle - 1:15
A) Clouds - 2:13
B) Runoff - 3:06
C) Oceans - 3:41
D) Evapotranspiration - 4:25
2) Carbon Cycle - 5:12
A) Plants - 5:48
B) Fossil Fuels - 6:40
C) Oceans - 7:12
D) Global Warming - 7:35
References
http://ga.water.usgs.gov/edu/w....atercyclecondensatio
http://harvardmagazine.com/200....2/11/the-ocean-carbo
http://www.visionlearning.com/....library/module_viewe
Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse
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This week, Stan teaches you about patents. It turns out, they're patently complicated! So, patents have some similarities to copyright, in that they grant a limited monopoly to people who invent things. The key difference between patents and copyright is that patents are for THINGS. Copyright is for an idea. So, if you've come up with a great new invention, like for example, a condiment gun, you should get a patent. We'll also talk about some of the limitations and problems of patents, including patent trolls
Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:
Mark Brouwer, Jan Schmid, Steve Marshall, Anna-Ester Volozh, Sandra Aft, Brad Wardell, Christian Ludvigsen, Robert Kunz, Jason, A Saslow, Jacob Ash, Jeffrey Thompson, Jessica Simmons, James Craver, Simun Niclasen, SR Foxley, Roger C. Rocha, Nevin, Spoljaric, Eric Knight, Elliot Beter, Jessica Wode, Pigmy Wurm, Sverre Rabbelier, Liubko Qwert, Denis Anton, Dagongdong-Thorpe, Gwendolyn Gillson, Caleb S Dockter, Tessa Huddleston, Michael Hughes-Narborough, Alex Freeman-Smith
*****
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In which Adriene and Jacob teach you about how and why prices rise. Sometimes prices rise as a result of inflation, which is a pretty normal thing for economies to do. We'll talk about how across the board prices rise over time, and how economists track inflation. Bubbles are a pretty normal thing for humans to do. One item, like tulips or beanie babies or houses or tech startups experience a rapid rise in prices. This is often accompanied by speculation, a bunch of outrageous profits, and then a nasty crash when the bubble bursts. People get excited about rising prices, and next thing you know, people are trading their life savings for a tulip bulb.
Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse
Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:
Mark , Elliot Beter, Moritz Schmidt, Jeffrey Thompson, Ian Dundore, Jacob Ash, Jessica Wode, Today I Found Out, Christy Huddleston, James Craver, Chris Peters, SR Foxley, Steve Marshall, Simun Niclasen, Eric Kitchen, Robert Kunz, Avi Yashchin, Jason A Saslow, Jan Schmid, Daniel Baulig, Christian , Anna-Ester Volozh
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Today Phil’s explaining the stars and how they can be categorized using their spectra. Together with their distance, this provides a wealth of information about them including their luminosity, size, and temperature. The HR diagram plots stars’ luminosity versus temperature and most stars fall along the main sequence, where they live most of their lives.
Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/product....s/crashcourse-astron
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Chapters:
Introduction: Stars 00:00
Stellar Spectra 1:07
Star Classifications 3:03
Why Are There No Green Stars? 4:00
Luminosity Depends on Size and Temperature 5:27
The HR Diagram 6:33
Main Sequence Stars 7:27
Other Stars on the HR Diagram 8:17
Review 9:50
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PBS Digital Studios: http://youtube.com/pbsdigitalstudios
Follow Phil on Twitter: https://twitter.com/badastronomer
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PHOTOS/VIDEOS
Stars http://www.nasa.gov/images/con....tent/703724main_potw [credit: ESA/Hubble & NASA]
Spitzer Spectrum http://www.jpl.nasa.gov/spacei....mages/details.php?id [credit: NASA/JPL-Caltech/Leiden/SRON]
Sun spectrum https://www.noao.edu/image_gal....lery/html/im0600.htm [credit: N.A.Sharp, NOAO/NSO/Kitt Peak FTS/AURA/NSF]
Annie Jump Cannon https://en.wikipedia.org/wiki/....Annie_Jump_Cannon#/m [credit: New York World-Telegram and the Sun Newspaper]
Cecilia Payne-Gaposchkin https://en.wikipedia.org/wiki/....Cecilia_Payne-Gaposc [credit: Smithsonian Institution]
OBAFGKM https://www.noao.edu/image_gal....lery/html/im0649.htm [credit: NOAO/AURA/NSF]
Betelgeuse http://www.eso.org/public/usa/images/eso0927e/ [credit: ESO/Digitized Sky Survey 2. Acknowledgment: Davide De Martin]
Sirius https://www.nasa.gov/multimedi....a/imagegallery/image [credit: NASA, ESA, H. Bond (STScI) and M. Barstow (University of Leicester)]
Solar AM0 spectrum with visible spectrum background https://commons.wikimedia.org/....wiki/File:Solar_AM0_ [credit: Danmichaelo, Wikimedia Commons]
Blue sky http://www.pexels.com/photo/sk....y-sunny-clouds-cloud [credit: Skitter Photo]
Hawaii sunset photo [credit: Phil Plait]
Hertzsprung-Russell Diagram https://commons.wikimedia.org/....wiki/File:ESO_-_Hert [credit: ESO]
Geometric probabilities, and probabilities in general, allow us to guess how long we'll have to wait for something to happen. Today, we'll discuss how they can be used to figure out how many Bertie Bott's Every Flavour Beans you could eat before getting the dreaded vomit flavored bean, and how they can help us make decisions when there is a little uncertainty - like getting a Pikachu in a pack of Pokémon Cards! We'll finish off this unit on probability by taking a closer look at the Birthday Paradox (or birthday problem) which asks the question: how many people do you think need to be in a room for there to likely be a shared birthday? (It's likely much fewer than you would expect!)
Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse
Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:
Mark Brouwer, Glenn Elliott, Justin Zingsheim, Jessica Wode, Eric Prestemon, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Divonne Holmes à Court, Brian Thomas Gossett, Khaled El Shalakany, Indika Siriwardena, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, Evren Türkmenoğlu, D.A. Noe, Shawn Arnold, mark austin, Ruth Perez, Malcolm Callis, Ken Penttinen, Advait Shinde, Cody Carpenter, Annamaria Herrera, William McGraw, Bader AlGhamdi, Vaso, Melissa Briski, Joey Quek, Andrei Krishkevich, Rachel Bright, Alex S, Mayumi Maeda, Kathy & Tim Philip, Montather, Jirat, Eric Kitchen, Moritz Schmidt, Ian Dundore, Chris Peters, Sandra Aft, Steve Marshall
--
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COLLISIONS! A big part of physics is understanding collisions and how they're not all the same. Mass, momentum, and many other things dictate how collisions can be unique. In this episode of Crash Course Physics, Shini sits down to lead us through an understanding of collisions. Plus, she brings along our old friend Sir Isaac Newton.
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Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
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Why are some countries rich? Why are some countries poor? In the end it comes down to Productivity. This week on Crash Course Econ, Adriene and Jacob investigate just why some economies are more productive than others, and what happens when an economy is mor productive. We'll look at how things like per capita GDP translate to the lifestyle of normal people. And, there's a mystery.
Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse
Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:
Mark, Jan Schmid, Simun Niclasen, Robert Kunz, Daniel Baulig, Jason A Saslow, Eric Kitchen, Christian, Beatrice Jin, Anna-Ester Volozh, Eric Knight, Elliot Beter, Jeffrey Thompson, Ian Dundore, Stephen Lawless, Today I Found Out, James Craver, Jessica Wode, Sandra Aft, Jacob Ash, SR Foxley, Christy Huddleston, Steve Marshall, Chris Peters
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