Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/hu....manities/world-histo

Why is Mesopotamia considered the "cradle of civilization"? Sal explains the history of the early empires on the Tigris and Euphrates rivers.

Practice this yourself on Khan Academy right now: https://www.khanacademy.org/wo....rld-history/e/mesopo

Watch the next lesson: https://www.khanacademy.org/hu....manities/world-histo

World History on Khan Academy: From prehistory to today, this course covers the human events that have shaped our planet.


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: https://www.youtube.com/subscr....iption_center?add_us

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Click this link to buy bible https://invol.co/cl14yim Objective: Find the Greatest Common Factor (GCF) of sets of numbers
This video is compatible with Interactive Whiteboard
Download my Math Interactive Whiteboard Lessons and flash games here: http://iwb-resources.blogspot.com

Every evening near Vancouver BC, a huge gathering of crows descend on a single block at Still Creek Drive, Burnaby. It is crazy!

eMathsMaster GCSE Student edition is free for all Brighton and Hove Albion youth players, courtesy of Premier League Education!

This SAT math video explains how to solve rational equations in addition to factoring trinomials.

SAT Math Part 4: https://www.youtube.com/watch?v=Oiq7FE0cjUk

SAT Chemistry Part 1:
https://www.youtube.com/watch?v=N-clMX2poLY

_______________________________________
How To Factor Trinomials:
https://www.youtube.com/watch?v=-4jANGlJRSY

The Greatest Common Factor:
https://www.youtube.com/watch?v=ynefQgfxZBs

Difference of Squares & Sum of Cubes:
https://www.youtube.com/watch?v=Rqu9KwjtVpI

Factoring Perfect Square Trinomials:
https://www.youtube.com/watch?v=f6yhfmW41wI

How To Factor By Grouping:
https://www.youtube.com/watch?v=t7-JCa7phCQ

Cubic Polynomials:
https://www.youtube.com/watch?v=rnAKWPM-YBc

_______________________________________
Solving Quadratic Equations By Factoring:
https://www.youtube.com/watch?v=qeByhTF8WEw

Quadratic Equations Completing The Square:
https://www.youtube.com/watch?v=yk-3ZRG0YAU

How To Factor Difficult Quadratic Equations:
https://www.youtube.com/watch?v=VG1luiL_INQ

Hard Factoring Examples:
https://www.youtube.com/watch?v=9MUDAr1PnlE

Factor Completely - Multiple Variables:
https://www.youtube.com/watch?v=2x657vOBkXY

Factoring Higher Degree Polynomials:
https://www.youtube.com/watch?v=HKDdzBuffoY

_______________________________________
Factoring Trinomials With Large Numbers:
https://www.youtube.com/watch?v=zw7nUKHc4n0

Factor Trinomials With Negative Exponents:
https://www.youtube.com/watch?v=dOuI8pvevcw

Factoring - Rational Exponents:
https://www.youtube.com/watch?v=BpS6mO4V2wc

Factor Theorem and Synthetic Division:
https://www.youtube.com/watch?v=zAGP46nR6-0

Finding All The Zeros of a Polynomial:
https://www.youtube.com/watch?v=Iaq7z7reznM

Real and Imaginary Solutions:
https://www.youtube.com/watch?v=tRrPfxR5h-w

_________________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio

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.

***
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:
DL Singfield, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Burt Humburg, Perry Joyce, Scott Harrison, Mark & Susan Billian, Alan Bridgeman, Breanna Bosso, Matt Curls, Jennifer Killen, Jon Allen, Sarah & Nathan Catchings, team dorsey, Bernardo Garza, Trevin Beattie, Eric Koslow, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Barrett & Laura Nuzum, Les Aker, William McGraw, Vaso, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, Pineapples of Solidarity, Katie Dean, Stephen McCandless, Thomas Greinert, Wai Jack Sin ,Ian Dundore, Caleb Weeks

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From drones the size of dragonflies to planes that can fly three times the speed of sound, these are only a few of the unclassified secrets slinking away in the museum at the CIA Headquarters. Enter the 34 year-old museum as it is today, and learn about the hidden histories behind the carefully chosen artefacts and recreations, many of which had been used by agents who swore never to share them to the public eye. Who are the CIA? What is in their private museum? How close are their gadgets to those in spy movies? Well, please. Come inside. And remove your microphone from your pipe, for God’s sake.

Become a Simple History member: https://www.youtube.com/simplehistory/join
Support us on Patreon: https://www.patreon.com/simplehistory

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

SIMPLE HISTORY MERCHANDISE

Get the Simple History books on Amazon:

https://www.amazon.com/Daniel-....Turner-%60/e/B00H5TY

T-Shirts

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See the book collection here:

Amazon USA

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Amazon UK
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Credit:
Created by Daniel Turner (B.A. (Hons) in History, University College London)

1,000 years from now, the length of a solar day on Earth will increase by 1/30 of a second. Leap seconds will have to be added multiple times during the month.

30,000 years from now, Niagara Falls will have eroded the remaining 32 km to Lake Erie and will cease to exist.

100,000 years from now, the proper motion of stars across the celestial sphere, which results from their movement through the Milky Way, renders many of the constellations unrecognizable.

500,000 years from now, Earth will likely have been hit by an asteroid of roughly 1 km in diameter, assuming that it cannot be averted.

1 million years from now, Betelgeuse will have exploded in a supernova, making it visible on Earth in daylight.

50 million years from now is the earliest estimated time for Earth to naturally replenish its fossil fuel reserves.

180 million from now, due to the gradual slowing down of Earth's rotation, a day on Earth will be one hour longer than it is today.

250 million years from now, the west coast of North America, the coast of California will collide with Alaska.

1.2 billion years from now is the high estimate until all plant life dies out.

2 billion years from now is the first close passage of the Andromeda Galaxy and our Milky Way galaxy.

5.4 billion years from now, the sun begins to evolve into a red giant, engulfing the Earth and moon.

150 billion years from now, the Universe's expansion causes all galaxies beyond the former Milky Way's Local Group to disappear beyond the cosmic light horizon, removing them from the observable universe.

1 trillion years from now, star formation ends in galaxies as galaxies are depleted of the gas clouds they need to form stars.

120 trillion years from now, stars in the universe will have exhausted their fuel.

In One gazillion, quadrillion, trillion, billion, million, thousand years from now - we start all over again.

#astronomy​​​ #astrophotography​​​

You can learn more at https://curiositystream.com/smart
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Do you remember having a cold in 5th grade? Or the flu a couple years ago? Your immune system does. Our bodies hold many levels of immune defense.Physical barriers like skin, the innate immune system, and our body’s most powerful defender, the adaptive immune system. Millions of B cells and T cells and antibodies are constantly on patrol for germs and antigen invaders. As scientists learn more about how this system works and how to engineer it, could we ever actually be immune to everything?

Special thanks to Dr. James Crowe (Vanderbilt University) http://www.crowelab.com/

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It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D.
Director: Joe Nicolosi
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Editor/animator: Karl Boettcher and Derek Borsheim
Producer: Stephanie Noone and Amanda Fox

Produced by PBS Digital Studios
Music via APM
Stock images from Shutterstock http://www.shutterstock.com

This video contains 4 extra practice problems on finding factors and the greatest common factor to ensure mastery of the concept.

In this video we cover:
- Finding factors for multiple data sets
- Finding the greatest common factor

Other Videos Mentioned:
- Finding Factors and The Greatest Common Factor: https://youtu.be/RaWciR9iyyU

Improved math is a channel created to provide additional instruction on essential math concepts. I’m passionate about math and I know first-hand how important math concepts are in the real world.

Teachers, parents, guardians, homeschoolers, and students can use these videos to help reinforce math skills.

For more information on math topics or for free printable worksheets and answer sheets, you can also visit my website at improvedmath.com

https://www.youtube.com/c/ImprovedMath

https://improvedmath.com

https://www.tiktok.com/@improvedmath1?

https://www.pinterest.com/improvedmath/


Don’t forget to like, share, and subscribe!
#factors
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🍎 Sing a fun fruit song (with pictures!) with your kids and learn the names of different fruits in English! ✨ Animated friends Lucas, Ruby, Lily, and Brody present a fantastic and active way to educate children about apples 🍎, bananas 🍌, grapes 🍇, strawberries 🍓, oranges 🍊, and other fruits 🍉🥝🍍🍒🥑, all in an entertaining environment. 🤩 Kids will love singing along with the lyrics, and parents will love that everyone's learning the names of the fruits!

Watch this fantastic fruit sing-along in ultra HD 4K for a better experience. 🎓 You and your children will learn the names of many of the most popular fruits in the world, including apples, bananas, kiwi, watermelon, strawberries, oranges, pineapple, and cherries. 🎉 It's fun, it's catchy, and it's educational! It's great for preschoolers, kindergarteners, and children of all ages, and parents will enjoy it! 🥳

🎤 Fruit Song Lyrics:

I eat my fruits Everyday
Yummy yummy yummy fruits
Fruits are so healthy
Eat your fruits everyday

Apples, Bananas, Grapes, kiwi, watermelon
Strawberry, Orange, Pineapple, Cherry, Avocado

Yummy Yummy Yummy Fruits

Apples are my favorite
Juicy juicy red apples
Bananas are my favorite
Yummy yummy yellow bananas,

Hey Lucas,
What fruit is this?
"It's a red apple"

Apples, Bananas, Grapes, Kiwi, Watermelon
Strawberry, Orange, Pineapple, Cherry, Avocado

mmm Yummmyyy

Grapes are my favorite
Juicy juicy purple grapes
Watermelons are my favorite
Yummy yummy green watermelons

Hey Ruby
Can you guess what fruit this is?
"It is my favorite watermelon"

Apples, Bananas, Grapes, Kiwi, Watermelon
Strawberry, Orange, Pineapple, Cherry, Avocado

Yummy Yummy Yummy Fruits

Orange is my favorite
Juicy juicy round orange
Strawberries are my favorite
Yummy yummy red strawberries

Hey Brody
What fruit is this?
"It is a red strawberry"

Apples, Bananas, Grapes, Kiwi, Watermelon
Strawberry, Orange, Pineapple, Cherry, Avocado

mmm Yummmyyy

Cherries are my favorite
Juicy juicy red cherries
Pineapple is my favorite
Yummy yummy yellow pineapple

Hey Lilly
Can you guess what fruit this is?
"It is my favorite cherry"

Apples, Bananas, Grapes, Kiwi, Watermelon
Strawberry, Orange, Pineapple, Cherry, Avocado

Kiwis are my favorite
Yummy yummy brown kiwis
Avocados are my favorite
Yummy yummy green avocados

Apples, Bananas, Grapes, Kiwi, Watermelon
Strawberry, Orange, Pineapple, Cherry, Avocado

⭐ If our video entertains your child and makes them happy, please hit the LIKE button. SHARE it with your friends and family members so that more and more kids can sing and have fun. 👍 SUBSCRIBE to our channel to watch our other nursery rhymes, kids songs, and educational videos for children and parents. 🔔 And make sure you turn on the bell icon to get notified as soon as our new videos come up. 🔥

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📢 Checkout Lucas & Friends Educational Children's Books: https://www.amazon.com/Lucas-F....riends-by-RV-AppStud

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🟢 RV AppStudios: https://www.rvappstudios.com/kidsapp.html

🌟 More fun nursery rhymes and kids songs by RV AppStudios:
🥳 Put Your Hands In the Air Song - https://youtu.be/lKemaWQif4g
🦁 Lucas Song RV AppStudios - https://youtu.be/jpSMPm-DFUs
🎂 Birthday Song for Children - https://youtu.be/naWirAMrE5c
🥰 Humpty Dumpty Kids Song - https://youtu.be/mE1W-IE3_Dc

Copyright © RV AppStudios

#Fruits #KidsSong #NurseryRhymes

Educational video for children to learn vocabulary. Focuses on winter clothing, it includes terms like: coat, gloves or trousers.

This video is part of a collection focused on learning new vocabulary in English. Perfect for pre-K or for kids starting to learn the language.

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

We only upload our own content, designed by educators so that children smile and learn while watching a video.

All of our content reinforces educational values, encouraging the use of multiple intelligences and language learning.

If you like our videos, download “The Smart Library” now. You’ll discover more than 70 interactive games and stories for children designed by educators. The stories are based on VALUES like friendship, respect, and generosity, and our games cover all of the MULTIPLE INTELLIGENCES. All our content is in SPANISH, ENGLISH, FRENCH, ITALIAN and PORTUGUESE.

The perfect tool to use in and out of school.

Download it today!

-Apple Store: https://itunes.apple.com/us/ap....p/smart-edutainment-

-Google Play: https://play.google.com/store/....apps/details?id=net.

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Thank you for trusting us with your children's education!

In this session, Educator Preksha Sharma will be discussing Spellings and Vocabulary - Maha Menti Quiz from English for Class 9&10.

Call Preksha Sharma's team on 8585858585 and take your K12 Preparations to the next level.

➤ Use Code ''PSH10'', Unlock FREE Special Classes on our platform, & also Get 20% off on your Subscription today.

Click here for FREE access to Educator's best classes: https://unacademy.com/@unacademy-user-78829mdnxnfk/courses?goal=all&type=special

----------------------------------------------------
➤ Click here to get Unacademy Plus Subscription now:
CBSE Class 9: https://unacademy.onelink.me/RICs/izvyl2ij
CBSE Class 10: https://unacademy.onelink.me/RICs/bof6t9bs
----------------------------------------------------

Class 10th Boards 2023 - Complete Preparation
Link: https://youtube.com/playlist?l....ist=PLag1CXTqVRCe6Do

Class 9th Complete Preparation
Link:https://youtube.com/playlist?l....ist=PLag1CXTqVRCeuzo

We have come up with an educator led online felicitation of select students on our platform.
Please spare 2 mins to fill the google form below and get rewarded for your hard work throughout the year.

https://docs.google.com/forms/....d/e/1FAIpQLSfe7MufGG

Topper Identification form: https://docs.google.com/forms/....d/e/1FAIpQLSfe7MufGG

Click here to join the Educator's community and get regular updates:
https://unacademy.onelink.me/RICs/n8s8be1s

➤ About the Educator: Experienced faculty, author, co-author, editor, content developer and subject matter expert focussed in English language.

➤ Follow Preksha Sharma on Unacademy: https://unacademy.onelink.me/081J/a5a74be

➤ Playlist Link: https://www.youtube.com/playli....st?list=PLag1CXTqVRC
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You can enroll to Unacademy Subscription and get the following benefits:
1. Learn from your favourite teacher
2. Dedicated DOUBT sessions
3. One Subscription, Unlimited Access to Live Online Classes and Videos
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If you don’t wish to miss any updates and or latest videos about K12 Exams Preparation, subscribe to the channel now. Students who have already subscribed, stay tuned as we will get more strategy and preparations videos and FREE LIVE CLASSES just for you. Feel free to spread the word – share the videos with your friends and classmates.

#Spellings_and_Vocabulary #Menti_Quiz #Class_10 #English

This organic chemistry video tutorial provides a basic introduction to NMR spectroscopy. It explains the basic principles of a working nmr spectrometer. It discusses the alpha and beta spin states and how to calculate the operating frequency needed given thee strength of the applied magnetic field. NMR spectroscopy works with nuclei with odd number of protons or neutrons. These nuclei have a property called spin which can absorb radio frequency radiation when the appropriate magnetic field is applied to it.

Alcohol Reactions - HBr, PBr3, & SOCl2:
https://www.youtube.com/watch?v=4PDs3ygNsv4

Free Radical Reactions:
https://www.youtube.com/watch?v=w9RAULFkqKQ

Reactions Summary:
https://www.youtube.com/watch?v=nkh0egRNQz0

Organic Chemistry 1 Final Exam Review:
https://www.youtube.com/watch?v=ej2pSWw6U3w

IR Spectroscopy:
https://www.youtube.com/watch?v=WTmj_9VT5oE

Mass Spectrometry:
https://www.youtube.com/watch?v=VUIPYnWLSDE

______________________________
Proton NMR Spectroscopy:
https://www.youtube.com/watch?v=vejKDb1dBn8

Carbon-13 NMR Spectroscopy:
https://www.youtube.com/watch?v=QUVTATcXE9Y

Ethers and Epoxides:
https://www.youtube.com/watch?v=BxRLJhHjqMc

Diels Alder Reaction:
https://www.youtube.com/watch?v=sBmoP6KwK-8

Organic Chemistry 2 Final Exam Review:
https://www.youtube.com/watch?v=T5NaUdVfAOc

This video provides a basic introduction into electric potential energy. It explains how to calculate it given the magnitude of the electric charge, electric field, as well as the height of the charged particle from some reference point. It also provides examples of calculating electric potential and the work done by an electric force to accomplish a certain task.

Full 1 Hour 42 Minute Video:
https://www.patreon.com/MathScienceTutor

Direct Link to The Full Video:
https://bit.ly/3Gn3dDQ

PDF Worksheet - 13 Questions:
https://bit.ly/3ZbL5pb

Physics PDF Worksheets:
https://www.video-tutor.net/ph....ysics-basic-introduc

_______________________________
Join The Membership Program:
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Full 1 Hour 42 Minute Video:
https://www.youtube.com/watch?v=ylknLUzlXmU

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

Definition of ion and ionization energy, and trends in ionization energy across a period and down a group.

Watch the next lesson: https://www.khanacademy.org/science/chemistry/periodic-table/periodic-table-trends-bonding/v/group-trend-for-ionization-energy?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry

Missed the previous lesson? https://www.khanacademy.org/science/chemistry/periodic-table/periodic-table-trends-bonding/v/mini-video-on-ion-size?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry

Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.

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 Chemistry channel: https://www.youtube.com/channe....l/UCyEot66LrwWFEMONv
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

SUSCRIBETE AQUÍ: https://bit.ly/3B8CNXP

🎁 En estas Navidades, encuentra los productos de La Granja de Zenón en Amazon Store 🎁
Peluches ▶️ https://rebrand.ly/AmazonMXPeluchesMusicalesLGDZ
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🛜 Las Aventuras de Bartolito en Internet https://www.youtube.com/playli....st?list=PL2KQv6-I8Mw

Letra:

La Vaca Lola, la Vaca Lola
tiene cabeza y tiene cola.
La Vaca Lola, la Vaca Lola
tiene cabeza y tiene cola
y hace ¡Muuu!

La Vaca Lola, la Vaca Lola
tiene cabeza y tiene cola.
La Vaca Lola, la Vaca Lola
tiene cabeza y tiene cola
y hace ¡Muuu!

La Vaca Lola, la Vaca Lola
tiene cabeza y tiene cola.
La Vaca Lola, la Vaca Lola
tiene cabeza y tiene cola
y hace ¡Muuu!

La Vaca Lola, la Vaca Lola
tiene cabeza y tiene cola.
La Vaca Lola, la Vaca Lola
tiene cabeza y tiene cola
y hace ¡Muuu!

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La Vaca Lola - Canciones de La Granja de Zenón 2

Título original: La Vaca Lola
Interprete: Los Pollitos

Watch the next lesson: https://www.khanacademy.org/math/algebra2/functions_and_graphs/composing-functions/v/evaluating-composite-functions-example-1?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Missed the previous lesson?
https://www.khanacademy.org/math/algebra2/functions_and_graphs/composing-functions/v/function-composition?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Algebra II on Khan Academy: Your studies in algebra 1 have built a solid foundation from which you can explore linear equations, inequalities, and functions. In algebra 2 we build upon that foundation and not only extend our knowledge of algebra 1, but slowly become capable of tackling the BIG questions of the universe. We'll again touch on systems of equations, inequalities, and functions...but we'll also address exponential and logarithmic functions, logarithms, imaginary and complex numbers, conic sections, and matrices. Don't let these big words intimidate you. We're on this journey with you!

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 Algebra II channel:
https://www.youtube.com/channe....l/UCsCA3_VozRtgUT7wW
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

I got the chance to interview Bill Gates so I asked him: Will Covid-19 be the last pandemic? How does he deal with misinformation and conspiracy theories? And what is the next disaster? The Foundation Letter is here: https://ve42.co/BG21

Special thanks to Patreon supporters:
Ludovic Robillard, jim buckmaster, Robert, fanime96, Marc Forand, Juan Benet, Robert Blum, Grace O'Maille KRON x Arc iOS, Richard Sundvall, Lee Redden, Vincent, Lyvann Ferrusca, Alfred Wallace, Arjun Chakroborty, Joar Wandborg, Clayton Greenwell, Pindex , Michael Krugman, Cy 'kkm' K'Nelson, Sam Lutfi, Ron Neal

Thanks to Petr Lebedev for the thumbnail, early edits and Jonny Hyman for feedback

In this lesson, you will learn how to find the volume of a cube and the surface area of a cube using formulas.

​▶ Free Practice Worksheet: https://www.mashupmath.com/blo....g/find-the-volume-of

Tags: volume of a cube, surface area of a cube, surface area of cube formula, sa of a cube, area of cube formula, volume of a cube, volume of a cube formula, surface areas of a cube, volume of a rectangular cube, cubic units

#MashupMath​

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