Crash Course Black American History explores arts and culture! Learn about the art, literature, and political thought innovations of the Harlem Renaissance, the literature of Toni Morrison and Zora Neale Hurston, the origins of rap and hip-hop, and the poetry of Phillis Wheatley.

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Have you ever made french toast? Join Caroline and Sophie for Circle Time as they read the book “Breakfast Time” by Cynthia Platt. Listen to the story of how Ollo and Peck make breakfast together. Watch as they whisk ingredients together and make their favorite meal. Learn words with the /fr/ sound, like fridge, fresh, and fruit!

For more fun after the show, print today’s Writing Workshop so kids can plan their own meal with Ollo and Peck!
http://khan.co/KhanKids-Print-April8

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Let's gain some practice plotting points on a graph involving whole numbers, zero, and fractions!

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Grade 6 » The Number System » Apply and extend previous understandings of numbers to the system of rational numbers. » 8

Solve real-world and mathematical problems by graphing points in all four quadrants of the coordinate plane. Include use of coordinates and absolute value to find distances between points with the same first coordinate or the same second coordinate.

What is a picture graph?
What is a tally chart?
How can I use a picture graph to make a tally chart?
How can I use a tally chart to make a picture graph?
Practice with tally charts and picture graphs

...

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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/linear-algebra/al

Determining the eigenvalues of a 3x3 matrix

Watch the next lesson: https://www.khanacademy.org/math/linear-algebra/alternate_bases/eigen_everything/v/linear-algebra-eigenvectors-and-eigenspaces-for-a-3x3-matrix?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra

Missed the previous lesson?
https://www.khanacademy.org/math/linear-algebra/alternate_bases/eigen_everything/v/linear-algebra-finding-eigenvectors-and-eigenspaces-example?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra

Linear Algebra on Khan Academy: Have you ever wondered what the difference is between speed and velocity? Ever try to visualize in four dimensions or six or seven? Linear algebra describes things in two dimensions, but many of the concepts can be extended into three, four or more. Linear algebra implies two dimensional reasoning, however, the concepts covered in linear algebra provide the basis for multi-dimensional representations of mathematical reasoning. Matrices, vectors, vector spaces, transformations, eigenvectors/values all help us to visualize and understand multi dimensional concepts. This is an advanced course normally taken by science or engineering majors after taking at least two semesters of calculus (although calculus really isn't a prereq) so don't confuse this with regular high school algebra.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

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This has been done before 2 other times, but not very well.

Italian Yakko video: https://www.youtube.com/watch?v=f-AqA
Dawson video: https://www.youtube.com/watch?v=4RUOgvBtQio

Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles. In this video we look at the use of trigonometry with right triangles, solving for both sides and angles.

To support tecmath on Patreon: https://www.patreon.com/tecmath

BTW for those interested - the history of trigonometry history is fascinating!
The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies.
The use of trigonometry really took off due to it's use in navigation - trigonometry has been used for locating latitudes and longitudes of sailing vessels, plotting courses, and calculating distances during navigation.
Trigonometry is still used in navigation through such means as the Global Positioning System and artificial intelligence for autonomous vehicles.

But the truly cool trigonomic endevour was The Great Trigonomical Survey.
The Great Trigonometrical Survey was a project which aimed to measure the entire Indian subcontinent with scientific precision. It was begun in 1802 and completed of it in 1871.
Among the many accomplishments of the survey was measurement of the height of the Himalayan giants: Everest, K2, and Kanchenjunga. The Survey had an enormous scientific impact as well, being responsible for one of the first accurate measurements of a section of an arc of longitude.
Triangulation surveys were based on a few carefully measured baselines and a series of angles. The initial baseline was measured with great care, since the accuracy of the subsequent survey was critically dependent upon it. Various corrections were applied, principally temperature. An especially accurate folding chain was used, laid on horizontal tables, all shaded from the sun and with a constant tension. The early surveys made use of large and bulky theodolites made by William Carey, a Zenith sector made by Jesse Ramsden and 100-foot (30 m) chains!
Interesting aside - Everest was one of the leaders of the survey - and his name was pronounced Eve-rest not Ever-est! 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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Addition and Subtraction by 10 | Teaching Math for First Grade Kids Academy

You are reading this article right now probably because your child is now in grade 2 and he is at that stage where you are struggling hard to educate him about the concept of subtraction and addition. Well, for starters, we know that teaching a child the rudiments of maths is a one daunting and tiring task mainly because there are children out there who just hate maths. Well, if your kid is one of them and if you think he just isn’t interested in learning subtraction and addition then don’t worry because today we are here with some solutions that might work for you. Because at the end of the day, maths is important and you can’t just run away from this struggle.


For starters, if it’s the beginning then we’d suggest you start with the numbers that fall between 1 to 10. Yes, you read that right! You see, if you directly start juggling between numbers 1 - 100 then chances are that your child will get confused and he will lose all the interest he has for maths. So, whenever you are starting, just work on the numbers from 1 to 10 because that way it will be easier for your child to pick the concept of addition and subtraction.

Not only this, in fact, you can opt for Youtube videos because let’s face it, children just love visuals and they would do anything to watch online videos. So, why not use this to teach them about the rudiments of maths? You see the concept of adding and subtracting is a little confusing for your child but if you make the learning process a little more fun, we assure you that you will find some success in it.

So, use videos, play games and read your children some story books that somehow are related to maths and especially addition and subtraction.

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Kids Academy Talented and Gifted Program for kids aged 2-10:

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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/linear-algebra/ma

The determinant of an upper triangular matrix

Watch the next lesson: https://www.khanacademy.org/math/linear-algebra/matrix_transformations/determinant_depth/v/linear-algebra-simpler-4x4-determinant?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra

Missed the previous lesson?
https://www.khanacademy.org/math/linear-algebra/matrix_transformations/determinant_depth/v/linear-algebra-determinant-after-row-operations?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra

Linear Algebra on Khan Academy: Have you ever wondered what the difference is between speed and velocity? Ever try to visualize in four dimensions or six or seven? Linear algebra describes things in two dimensions, but many of the concepts can be extended into three, four or more. Linear algebra implies two dimensional reasoning, however, the concepts covered in linear algebra provide the basis for multi-dimensional representations of mathematical reasoning. Matrices, vectors, vector spaces, transformations, eigenvectors/values all help us to visualize and understand multi dimensional concepts. This is an advanced course normally taken by science or engineering majors after taking at least two semesters of calculus (although calculus really isn't a prereq) so don't confuse this with regular high school algebra.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to KhanAcademy’s Linear Algebra channel:: https://www.youtube.com/channe....l/UCGYSKl6e3HM0PP7QR
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👟 Vessis early Black Friday sale is on now! Vessi is giving away a pair of socks of your choice to the first 100 shoes sold using my code SOCKSSIMPLEHISTORY. Get your style and size you want now before they sell out! Check out their Early Black Friday sale at https://vessi.com/SIMPLEHISTORY
.. Free shipping to CA, US, AU,JP, TW, KR, SGP.

You may have heard of people dancing to death, laughing to death or sitting on a throne to death, but there are many more surprising stories told to the Grim Reaper when the scythe is resting by the door.
What follows are what happens when you really want to stick it to your enemies for slowing your conquest of the Mediterranean, the consequences of leaving a nuclear reactor to inexperienced workers, the measures people will go to when they’re furious and hungry, and an unfortunate incident relating with an elephant-sized general.

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Copyright: DO NOT translate and re-upload our content on Youtube or other social media.

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American Battlefield Trust. n.d. “John Sedgwick.”

BBC News. “Segway boss died in 'act of courtesy,” July 15, 2011. BBC.

Bradley, James. “Flyboys: A True Story of Courage.” Boston: Little Brown, (2003).

Crowley, Roger. “Bragadin’s Defense,” April 19, 2018. HistoryNet.

Crowley, Roger. “Empires of the Sea.” New York: Random House, 2008.

History.com Editors. “Dancer Isadora Duncan is killed in car accident.” Last modified September 11, 2019. History.

Idaho National Laboratory. n.d. “SL-1, Idaho: Just The Facts.”

Naki, Emrah. “Conquest of Cyprus by the Turks: Divergence of the Early Modern Period and Establishment of Status Quo in the Mediterranean.” Gazi Akademik Bakış (November 19, 2019): 1-16.

Spokane Daily Chronicle. “3 Die in Reactor Blast,” 75th Year, No. 91, January 4, 1961.

The Spokesman Review. “3 Technicians Die in Reactor Blast,” 78th Year, No. 236, January 5, 1961.

T. McMahon, Martin. “THE DEATH OF GENERAL JOHN SEDGWICK.” In Battles and Leaders of the Civil War: Being for the Most Part Contributions by Union and Confederate Officers. New York: The Century Co., 1884.

United States Atomic Energy Commission. “IDO-19311 Final Report of SL-1 Recovery Operation.” Idaho Falls: General Electric Corporation, 1962.

Amplify Desmos Math is a K—12 math curriculum designed to make learning math engaging and enjoyable for students and teachers alike. It uses a structured approach to problem-based learning that sparks curiosity and helps students develop a deep understanding of important mathematical concepts. Amplify's program offers a variety of resources for both teachers and students, including interactive lessons, personalized practice activities, and assessments that inform instruction. With Amplify Desmos Math, we believe in math that motivates.

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Educational video for children in which they will learn the /d/ sound in English. Little ones will discover how to pronounce the sound of the letter D through a fun song and numerous examples alongside our favorite seal, Feli. Phonics is a very successful method used to teach reading through letter sounds. In this simple video for children who are beginning to read, we work on phonemic awareness and phonological awareness, two important skills for early readers and young children who are developing reading skills. It is an interactive video that asks viewers to participate by singing and repeating the sounds along with Feli.

This video is a very useful and interesting resource for children to learn the sounds of the English language. It is an excellent video for preschool, primary, and bilingual education.

Thanks for visiting us! If you want your children to smile and learn, subscribe! :D

If you like our videos, download Smile and Learn now. You’ll discover thousands of activities for children aged 3 to 12 years, all designed by educators. We have hundreds of games, interactive stories and videos in five languages: English, Spanish, Portuguese, Italian, Turkish and French. Try a month for free and start the adventure!

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In this video, you will learn about the distributive property over addition.

We hope you are enjoying our large selection of engaging core & elective K-12 learning videos. New videos are added all the time - make sure you come back often to learn more! If you'd like us to cover any additional topics, please let us know.

For practice, assessment, and many interactive activities that go along with each video, as well as a teacher/parent dashboard, go to Miacademy.co for Grades K-8 or Miaprep.com for grades 9-12!

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/statistics-probab

Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/probability/independent-dependent-probability/basic_set_operations/e/basic_set_notation?utm_source=YT&utm_medium=Desc&utm_campaign=ProbabilityandStatistics

Watch the next lesson: https://www.khanacademy.org/math/probability/probability-and-combinatorics-topic/permutations/v/factorial-and-counting-seat-arrangements?utm_source=YT&utm_medium=Desc&utm_campaign=ProbabilityandStatistics

Missed the previous lesson?
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Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! We are constantly creating hypotheses, making predictions, testing, and analyzing. Our lives are full of probabilities! Statistics is related to probability because much of the data we use when determining probable outcomes comes from our understanding of statistics. In these tutorials, we will cover a range of topics, some which include: independent events, dependent probability, combinatorics, hypothesis testing, descriptive statistics, random variables, probability distributions, regression, and inferential statistics. So buckle up and hop on for a wild ride. We bet you're going to be challenged AND love it!

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

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Counting and Writing Numbers 1 – 19 | Kindergarten Math | Math For Kids
TeCa creates online math courses for kids by grade level from K-5. All our math lessons are delivered through attractive videos, in which we extensively use visual images, graphics, animation and upbeat music to make kids excited about each and every lesson. We also have practice exercises for kids in each lesson to reinforce their understanding.

Our goal is to bring kids enjoyment in math learning, help them see the beauty of mathematics, and have a love for math from an early age. We believe teaching kids math in the right way gives them a head start in the subject, which is a strong foundation the development in other areas of education

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Your kids are welcome to enjoy and learn with Kids Academy brand new educational game. It offers 15 sorting and classifying activities of different difficulty levels. Designed by experienced educators, the game will help your kids develop a wealth of skillsets, such as categorizing, sorting and classifying.

Download at the App Store: https://itunes.apple.com/gb/ap....p/tinyhands-sorting-

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LIKE | SHARE | SUBSCRIBE | #VideoLesson | #English | #Grade2

Sharing with you, my self-made video lesson in English 2. 😇👩🏼‍🏫

Topic: Recognize the use of a and an + noun (Quarter 1 Week 4)

Objectives:
1. Recognize the use of a/an + noun; and
2. Use a/an with nouns correctly.


Thank you for watching! 😇

-Teacher Roan 🥰👩🏼‍🏫

Do you think all the Romance language speaking countries understand each ohter?

Today, Spanish, Brazilians and Italian tried to guess French

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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/ap-calculus-ab/ab

Some background intuition to make the formal definition of a limit make intuitive sense. Created by Sal Khan.

Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-ab/ab-limits-continuity/ab-limits-opt-vids/v/epsilon-delta-definition-of-limits?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB

Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-ab/ab-limits-continuity/ab-limits-opt-vids/v/limit-intuition-review?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB

AP Calculus AB on Khan Academy: Bill Scott uses Khan Academy to teach AP Calculus at Phillips Academy in Andover, Massachusetts, and heÕs part of the teaching team that helped develop Khan AcademyÕs AP lessons. Phillips Academy was one of the first schools to teach AP nearly 60 years ago.

About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan AcademyÕs AP Calculus AB channel: https://www.youtube.com/channe....l/UCyoj0ZF4uw8VTFbml
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Computers and computing have changed a lot over the History of Science but ESPECIALLY over the last 100 years. In this episode of Crash Course History of Science, we have a look at that history around World War Two and how that conflict forced changes in computing.


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Eric Prestemon, Sam Buck, Mark Brouwer, Bob Doye, Jennifer Killen, Naman Goel, Patrick Wiener II, Nathan Catchings, Efrain R. Pedroza, Brandon Westmoreland, dorsey, Indika Siriwardena, James Hughes, Kenneth F Penttinen, Trevin Beattie, Satya Ridhima Parvathaneni, Erika & Alexa Saur, Glenn Elliott, Justin Zingsheim, Jessica Wode, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Brian Thomas Gossett, Khaled El Shalakany, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Malcolm Callis, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Jirat, Ian Dundore
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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/hu....manities/world-histo

Created by Sal Khan.

Watch the next lesson: https://www.khanacademy.org/humanities/world-history/euro-hist/wo/v/beginning-of-world-war-ii?utm_source=YT&utm_medium=Desc&utm_campaign=worldhistory

Missed the previous lesson? https://www.khanacademy.org/humanities/world-history/euro-hist/mussolini-fascism/v/mussolini-aligns-with-hitler?utm_source=YT&utm_medium=Desc&utm_campaign=worldhistory

World history on Khan Academy: From the earliest civilizations to the modern world, geography, religion, trade, and politics have bound peoples and nations together — and torn them apart. Take a journey through time and space and discover the fascinating history behind the complex world we inhabit today.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s World History channel: https://www.youtube.com/channe....l/UC6KRvvmvkCchFMo2E
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