Finding the square of a nmuber is easy - just follow these mental math tricks. You'll be able to calculate squares faster than ever and amaze everyone with your utter genius!

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Learn about dialog and other reading comprehension lessons in the FREE Khan Academy Kids app! https://go.learn.khanacademy.o....rg/khanacademy/YouTu

Reya and Sandy look at the pictures in the book to understand the mood of the story. They talk about how the pictures make them feel: worried, scared, happy, or peaceful.

Visit us at http://www.khankids.org to learn more about Khan Academy Kids, a free educational app for preschool through 2nd grade available on Apple, Google Play, and Amazon app stores.

You can also access other videos on our Reading Comprehension playlist here: http://khan.co/KhanKids-ReadingComprehension.

Subscribe to our channel for more videos like this.

Questions? Reach our team at khankids@khanacademy.org.

Learn about dialog and other reading comprehension lessons in the FREE Khan Academy Kids app! https://go.learn.khanacademy.o....rg/khanacademy/YouTu

In this video, Reya and Peck discuss how characters in a story talk to each other through dialog. Quotation marks show readers who is speaking in a story.

Visit us at http://www.khankids.org to learn more about Khan Academy Kids, a free educational app for preschool through 2nd grade available on Apple, Google Play, and Amazon app stores.

You can also access other videos on our Reading Comprehension playlist here: http://khan.co/KhanKids-ReadingComprehension.

Subscribe to our channel for more videos like this.

Questions? Reach our team at khankids@khanacademy.org.

Welcome to Circle Time with Khan Academy Kids! Today, our friends Caroline and Sophie read the book “Sidewalk Chalk” by Cynthia Platt. Read along as Peck dives into imaginary play with his chalk, his camp, and his amazing friends. What could you make with a piece of chalk today? Let your imagination soar!

Check out our printable activities for hands-on fun!
http://khan.co/KhanKids-Printables

Learn more about Khan Academy Kids, our free educational app for children ages 2-7 at http://www.khankids.org.

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Let's explore, identify, and describe the relationship between a circle and a tangent line and why the radius of a circle is perpendicular to the tangent where the radius intersects the circle.

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Understand and apply theorems about circles.

Identify and describe relationships among inscribed angles, radii, and chords. Include the relationship between central, inscribed, and circumscribed angles; inscribed angles on a diameter are right angles; the radius of a circle is perpendicular to the tangent where the radius intersects the circle.

What is a tangent line to a circle?
Why is a tagent line and a radius perpendicular?
How many times does a tangent line cross a circle?

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Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/trigonometry/trig-function-graphs/trig_graphs_tutorial/e/graphs-of-trigonometric-functions?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry

Watch the next lesson: https://www.khanacademy.org/math/trigonometry/trig-function-graphs/trig_graphs_tutorial/v/plotting-trig-features?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry

Missed the previous lesson?
https://www.khanacademy.org/math/trigonometry/trig-function-graphs/trig_graphs_tutorial/v/matching-a-trigonometric-function-to-its-graph?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry

Trigonometry on Khan Academy: Big, fancy word, right? Don't be fooled. Looking at the prefix, tri-, you could probably assume that trigonometry ("trig" as it's sometimes called) has something to do with triangles. You would be right! Trig is the study of the properties of triangles. Why is it important? It's used in measuring precise distances, particularly in industries like satellite systems and sciences like astronomy. It's not only space, however. Trig is present in architecture and music, too. Now you may wonder...how is knowing the measurement and properties of triangles relevant to music?? THAT is a great question. Maybe you'll learn the answer from us in these tutorials!

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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Deletrear palabras en español para principiantes

En este vídeo puedes aprender a deletrear algunas palabras en español.

De cada palabra aprenderemos el significado y veremos un ejemplo.

Gracias a las imágenes, puedes entender este vídeo aunque seas un nivel principiante.

También veremos preguntas y oraciones en español lo que te permitirá practicar la pronunciación y aumentar tu vocabulario.

Si escuchas varias veces el vídeo puedes ir aprendiendo las palabras y la pronunciación por repetición.


Español para principiantes, nivel A1 - A2


/ Clase 118

🔔

Worked example where we walk through finding the major trig ratios

Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/trigonometry/basic-trigonometry/reciprocal-trig-functions/e/reciprocal_trig_funcs?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry

Watch the next lesson: https://www.khanacademy.org/math/trigonometry/basic-trigonometry/reciprocal-trig-functions/v/example-using-trig-to-solve-for-missing-information?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry

Missed the previous lesson?
https://www.khanacademy.org/math/trigonometry/basic-trigonometry/trig-application-problems/v/figuring-out-coordinate-of-bended-figure-using-trig?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry

Trigonometry on Khan Academy: Big, fancy word, right? Don't be fooled. Looking at the prefix, tri-, you could probably assume that trigonometry ("trig" as it's sometimes called) has something to do with triangles. You would be right! Trig is the study of the properties of triangles. Why is it important? It's used in measuring precise distances, particularly in industries like satellite systems and sciences like astronomy. It's not only space, however. Trig is present in architecture and music, too. Now you may wonder...how is knowing the measurement and properties of triangles relevant to music?? THAT is a great question. Maybe you'll learn the answer from us in these tutorials!

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 Trigonometry channel:
https://www.youtube.com/channe....l/UCYQSs1lFJZKpyqNQQ
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

Here’s a video on a super important verb: querer (to want). Let’s see all of the different forms to express that different people want something or want to do something.

Please like the video and share with others who could benefit. More Spanish lessons coming.

Request a topic you’d like for me to go over in a future video!

👍Please share this video with others and like it to help me get the word out on my videos!

And let me know about other troublesome topics you’d like in bite-sized form.

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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/physics/two-di

Figuring out the horizontal displacement for a projectile launched at an angle. Created by Sal Khan.

Watch the next lesson: https://www.khanacademy.org/science/physics/two-dimensional-motion/two-dimensional-projectile-mot/v/different-way-to-determine-time-in-air?utm_source=YT&utm_medium=Desc&utm_campaign=physics

Missed the previous lesson? https://www.khanacademy.org/science/physics/two-dimensional-motion/two-dimensional-projectile-mot/v/visualizing-vectors-in-2-dimensions?utm_source=YT&utm_medium=Desc&utm_campaign=physics

Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.

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 Physics channel: https://www.youtube.com/channe....l/UC0oGarQW2lE5PxhGo
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How much do you know about this famous historical figure from U.S. history? In this video, you will learn about his life growing up and his achievements as a politician and inventor. For instance, did you know he was the 15th of 17 children? And he stopped going to school at 10 years old. He spent the rest of his life learning on his own.

Something many people know about him is that he used to write letters about current events that he submitted to a newspaper that his brother owned. He used a pseudonym, or fake name—Mrs. Silence Dogood. Eventually, he ran his own newspaper called the Pennsylvania Gazette. This became one of the most successful newspaper in the 13 colonies!

Benjamin Franklin was the only American to sign all four of the major documents involved in the founding of the United States! These are the Declaration of Independence, a Treaty of Alliance with France, the Treaty of Paris, and the Constitution. He became an ambassador and diplomat to France, and he convinced the French to help America in their quest for independence from Great Britain.

Surely you know about Franklin's electricity experiment involving a kite, a key, and a lightning storm. Did you know he used two specific types of string in order for his experiment to work? One string needed to produce an electric charge while the other would remain dry and not produce an electric charge. Keep watching to find out more interesting facts about Benjamin Franklin.

We hope you and your student(s) enjoyed learning about George Washington Carver! If you want even more information, head over to our website and download one of our many free lesson plans, full of activities, worksheets, and more!

https://learnbright.org/lesson....s/social-studies/ben

What you will learn in Who Is Benjamin Franklin?:
0:00 Introduction to Ben Franklin
0:39 Childhood and history of Benjamin Franklin
1:30 Benjamin moves to Philadelphia and runs the Pennsylvania Gazette
2:12 Poor Richard's Almanack
3:08 Only American to sign all four major documents regarding formation of U.S.
4:02 Ben Franklin's lightning experiment
5:21 Other inventions and accomplishments
6:31 Review of the facts

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Browse our entire collection of Social Studies lesson plans: https://learnbright.org/lessons/?filter_subject=social-studies

#BenjaminFranklin
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WEBSITE: http://www.teachertube.com The Pythagorean Theorem is explained with real life examples.

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/in-in-grade-12-nc


When you are integrating a function in the form of a fraction, it helps to find a way to break apart the expression.

AP Calculus BC on Khan Academy: Learn AP Calculus BC - everything from AP Calculus AB plus a few extra goodies, such as Taylor series, to prepare you for the AP Test

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 Academy's AP Calculus BC channel: https://www.youtube.com/channe....l/UC5A2DBjjUVNz8axD-
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Learn about all of the parts of a plant in this fun introduction video for kids. Students will learn about Roots, Stem, Leaves, Flowers, Seed and more! We learn how each of these parts of plants function, help plants grow and eventually create new plants. If you're looking for additional parts of a plant resources for your child or student visit us at the link below and download our free comprehensive lesson plan. https://learnbright.org/lesson....s/science/plant-part

Check out some of our other plant-related videos here:
Trees: https://youtu.be/uipjCTg_PqQ
Photosynthesis: https://youtu.be/Iln136eMl4g
How Plants Grow: https://youtu.be/u46A0WKp2nk

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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Science lesson plans: https://learnbright.org/lessons/?filter_subject=science

#ASL
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Poetry for kids is a fun introductory video to all of the different types of poetry. We all love to hear a good story and one way to tell a great story is through Poetry. Poems are made up of different parts. The title of a poem is the name of the poem. The theme of a poem lets the reader know what the poem is about. A single line in a poem is called a verse and a group of lines in a poem, separated by a space, is called a stanza. In this video we learn all about the different kinds of poems like and your kids will learn to how to recognize them in a fun engaging way.

If you are looking for even more Poetry resources? Download our free lesson plan (complete with worksheets, poetry practice pages, activity pages, and more!) here: https://learnbright.org/?s=poetry

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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

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Decoding words can be hard to do when you are just starting out readings. In this video we give you some great ideas and examples of decoding words. We will learn 5 steps in learning new words including sounding out words and breaking the words into chunks.

We don't just stop at the video. Visit our website to download our free 11 page decoding word lesson plan that is packed full of ideas, more content, decoding word worksheets, activities and more!

You can download the lesson plan here: https://learnbright.org/?s=decoding+words

After watching the video and completing the lesson plan students will be able to know and apply
grade-level phonics and word analysis in decoding words. This video is designed for 1st Grand and 2nd Grade but can be adapted for other grade levels as needed.

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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Reading lesson plans: https://learnbright.org/lessons/?filter_subject=reading

#DecodingWords

WEBSITE: http://www.teachertube.com Multiplication Model Drawing

Comparing and Contrasting can be difficult for kids to learn but it doesn't have to be! In this fun and interactive video you and your students will learn about comparing stories and how to identify similarities and differences between them. We share two unique stories about kids in similar but different situations and help your student(s) practice comparing/contrasting skills.

When completing this video (and the lesson plan with link below) students will learn the steps of
comparing similar stories. Your students will also be able to successfully identify similarities in stories after comparison. These skills greatly affect a child's overall reading comprehension. The more they learn to compare and contrast the more they will be able to comprehend and even remember what they are reading. We hope you enjoy!

Download the free lesson plan (for 1st, 2nd, and 3rd Grades) here: https://learnbright.org/lesson....s/reading/comparing-

Browse our entire collection of Reading lesson plans: https://learnbright.org/lesson....s/?filter_subject=re

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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will actually enjoy! We hope to see you soon!

#ASL
#ComparingSimilarStories
#ReadingComprehension

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/cosmology-and-

Intergalactic Scale. Created by Sal Khan.

Watch the next lesson: https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/scale-earth-galaxy-tutorial/v/hubble-image-of-galaxies?utm_source=YT&utm_medium=Desc&utm_campaign=cosmologystronomy

Missed the previous lesson? https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/scale-earth-galaxy-tutorial/v/scale-of-the-galaxy?utm_source=YT&utm_medium=Desc&utm_campaign=cosmologystronomy

Cosmology & Astronomy on Khan Academy: The Earth is huge, but it is tiny compared to the Sun (which is super huge). But the Sun is tiny compared to the solar system which is tiny compared to the distance to the next star. Oh, did we mention that there are over 100 billion stars in our galaxy (which is about 100,000 light years in diameter) which is one of hundreds of billions of galaxies in just the observable universe (which might be infinite for all we know). Don't feel small. We find it liberating. Your everyday human stresses are nothing compared to this enormity that we are a part of. Enjoy the fact that we get to be part of this vastness!

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 Cosmology & Astronomy channel: https://www.youtube.com/channe....l/UChNPnEkW8LYZ5Rwi8
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Have you ever wondered "What is Biofuel?" or "What is Biomass?" The need for energy is ever growing and biofuels and biomass are different materials that can be used for energy. Biomass and Biofuel are considered renewable energy because it mostly comes from plants that can be replanted and replaced when used for energy. In this video we will discuss all kinds of energy and the advantages and disadvantages to biomass or biofuel vs fossil fuels.

We also invite you to download our free biofuel and biomass lesson plan here: https://learnbright.org/lesson....s/science/biomass-an in this lesson and video students learn about specific examples of both biomass and biofuel and learn the advantages and disadvantages of using them through engaging content, worksheets, activities and more! Check it out!

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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Science lesson plans: https://learnbright.org/lessons/?filter_subject=science

#WhatIsBiofuel