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Join us as we explore why Side-Side-Angle and Angle-Side-Side cannot be used to prove triangle congruence.
For more MashUp Math content, visit http://www.mashupmath.com and join our free mailing list! :)
This lesson answers the questions: How do I prove that two triangles are congruent? Why can't SSA be used to prove that two triangles are congruent?
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.
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Join us on this special lesson where you will learn how to calculate slugging percentage, how to calculate batting average, and how to calculate on base percentage featuring Chipper Jones.
Be sure to tweet this lesson to Chipper @RealCJ10 !!!
This lesson answers the questions: How do I find on base percentage? How do I find batting average? How do I find slugging percentage? How do I find total bases? Why is Chipper Jones the man!? How do I find OBP? How do I find AVG? How do I find SLG? How is slugging percentage calculated? How is on base percentage calculated?
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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/geometry/hs-geo-s
Two example problems involving similarity
Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/geometry/similarity/triangle_similarlity/e/solving_similar_triangles_1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry
Watch the next lesson: https://www.khanacademy.org/math/geometry/similarity/triangle_similarlity/v/similarity-example-where-same-side-plays-different-roles?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry
Missed the previous lesson?
https://www.khanacademy.org/math/geometry/similarity/triangle_similarlity/v/similar-triangle-example-problems?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry
Geometry on Khan Academy: We are surrounded by space. And that space contains lots of things. And these things have shapes. In geometry we are concerned with the nature of these shapes, how we define them, and what they teach us about the world at large--from math to architecture to biology to astronomy (and everything in between). Learning geometry is about more than just taking your medicine ("It's good for you!"), it's at the core of everything that exists--including you. Having said all that, some of the specific topics we'll cover include angles, intersecting lines, right triangles, perimeter, area, volume, circles, triangles, quadrilaterals, analytic geometry, and geometric constructions. Wow. That's a lot. To summarize: it's difficult to imagine any area of math that is more widely used than geometry.
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 Geometry channel:
https://www.youtube.com/channe....l/UCD3OtKxPRUFw8kzYl
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
This time, the cross section of our solid is given as the area between two curves.
Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ap-calculus-ab/ab-applications-definite-integrals/ab-vol-cross-sections/e/volumes-of-solids-of-known-cross-section?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB
Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-ab/ab-applications-definite-integrals/ab-disk-method/v/disk-method-around-x-axis?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB
Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-ab/ab-applications-definite-integrals/ab-vol-cross-sections/v/volume-solid-semicircle-cross-section?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
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/algebra/x2f8bb115
Factor 45x^2-125 as 5(3x+5)(3x-5).
Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/algebra2/polynomial_and_rational/quad_factoring/e/factoring_difference_of_squares_3?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII
Watch the next lesson: https://www.khanacademy.org/math/algebra2/polynomial_and_rational/quad_factoring/v/factoring-trinomials-by-grouping-5?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII
Missed the previous lesson?
https://www.khanacademy.org/math/algebra2/polynomial_and_rational/quad_factoring/v/u09-l2-t1-we3-factoring-special-products-3?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
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/cc-eighth-grade-m
8th grade on Khan Academy: 8th grade is all about tackling the meat of algebra and getting exposure to some of the foundational concepts in geometry. If you get this stuff (and you should because you're incredibly persistent), the rest of your life will be easy. Okay, maybe not your whole life, but at least your mathematical life. Seriously, if you really get the equations and functions stuff we cover here, most of high school will feel intuitive, even relaxing. (Content was selected for this grade level based on a typical curriculum in the United States.)
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 8th grade channel:
https://www.youtube.com/channe....l/UCq341CBxj87C7AY_z
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
What an ion is. Using the periodic table to understand how difficult it is to ionize an atom.
More free lessons at: http://www.khanacademy.org/video?v=ywqg9PorTAw
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I made this video for a presentation about my videos to teachers in a conference.
In this video, I talk about how I make my titles / background video in my newest series, "Cuentas Conmigo." I found this easier than adding a bunch of titles to the program.
I am using the program Keynote (for macs). It cost about $20 in the app store.
Please let me know if you have any questions!
TeacherTube User: Sposilovich
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.
Spring 2012
Systems of Linear Equations
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Spend some time with the ladies of JJ’s family!
Watch and sing as mom and Yoyo spend the best mother and daughter day ever! 👩👧
Subscribe for new videos every week: https://www.youtube.com/c/coco....melon?sub_confirmati
Today is a day to celebrate
Mothers and daughters together
Today is a day for us to say
I love when we’re together
My daughter and me
My daughter and me
We play hard
She’s my little soccer star
My daughter and me
My daughter and me
I’m glad that you’re mine
My mommy and me
My mommy and me
We plant the flowers
In the garden for hours
My mommy and me
My mommy and me
I’m glad that you’re mine
My daughter and me
My daughter and me
We ride our bikes
Going fast is what we like
My daughter and me
My daughter and me
I’m glad that you’re mine
My daughter and me
My daughter and me
We have the same nose
And fingers and toes
My daughter and me
My daughter and me
I’m glad that you’re mine
My mommy and me
My mommy and me
We dress up fancy
With polka dots and beads
My mommy and me
My mommy and me
I’m glad that you’re mine
My daughter and me
My mommy and me
So happy can’t you see
There’s no place I’d rather be
My daughter and me
My mommy and me
I’m glad that you’re mine
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Your kids will love our friendly characters and colorful animated videos while learning both classic nursery rhymes and original songs.
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What would it be like to work for 16 hours a day, days a week? Nowadays, that is very uncommon in the United States. But during colonial times, that was the way life was for most people. In Colonial Times for Kids, you will learn about the daily life and habits of people who lived during this period of American history.
Let's start by talking about the children and what typical life was like for them. They had the chance to go to school, but they had better access to education if they lived in the city rather than on a farm. Many farm children learned to read and write from their father or church minister. Wealthier families might hire special tutors to teach their kids or send them to schools in England. Boys and girls did not have the same educational opportunities, though. In fact, many girls never learned to read or write.
Unfortunately, this was also a time during which people employed indentured servants, laborers brought over from Britain, or owned slaves. Indentured servants agreed to work for about seven years in return for their passage to America. But slavery grew in the colonies because the indentured servants were not easy to control and more difficult and costly to obtain. Some of the first African American indentured servants were forced into slavery rather than gaining their freedom after the seven-year work period.
Houses of this era were generally small, sometimes containing just a single room. The frames were made of wood, roofs of dried grasses, and floors of dirt. A fireplace inside was used for cooking and producing heat during the winter. Eventually homes on plantations grew larger, adorned with glass windows, wooden or carpeted floors, and quality furniture.
We hope you and your student(s) enjoyed learning about this period in American history! If you want even more information, head over to our website and download one of our many lesson plans, full of activities, worksheets, and more!
https://learnbright.org/lesson....s/social-studies/col
What you will learn in this video:
0:00 Introduction to this period
0:23 Farm life
1:41 Life for colonist children
2:20 Colonists in the city
3:37 Jobs of men depended on where they lived
4:42 Colonial terms for level of profession
5:25 Importance of religion
6:28 The Revolutionary War
7:17 Indentured servants and slavery
8:24 Construction of the farm homes
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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 and sign up for a free account, and you'll instantly 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 Social Studies lesson plans: https://learnbright.org/lessons/?filter_subject=social-studies
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Cantando los Números - Canciones y Clásicos Infantiles
(Gallego, Carlos Alberto - Barabino, Mariano Oscar - Otero, Adalberto Fructuoso)
La Mar en Coche
3rd grade math is a blast with these review videos! Each lesson in the video (division, multiplication, fractions, and more) will help your student review and understand important 3rd grade math concepts! We hope you enjoy them as much as we enjoyed making them!
00:00 Multiplication
9:46 Division
18:05 Fractions
26:23 Perimeter
33:10 Roman numerals
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Thanks for watching this 3rd grade math compilation learning video from Homeschool Pop! We hope to hear from you soon and we will see you next video!
Homeschool Pop Team
3rd Grade Math Compilation
Student teams design and build shoe prototypes that convert between high heels and athletic shoes. They apply their knowledge about the mechanics of walking and running as well as shoe design (as learned in the associated lesson) to design a multifunctional shoe that is both fashionable and functional.
View the full activity on TeachEngineering: https://www.teachengineering.o....rg/activities/view/c
TeachEngineering has over 1,500 FREE lessons and activities. Visit http://www.TeachEngineering.org for more!
Music: Cosmos - Silent Partner
In this activity, students learn about the engineering design process and use it to solve a design problem involving detergent and dirty clothes. The problem presented is a spot on a favorite shirt while on a camping trip. Students move through the engineering design process, as they design, build, and test a prototype of a portable washing machine
View the full activity on TeachEngineering:
https://www.teachengineering.o....rg/activities/view/u
TeachEngineering has over 1,500 FREE lessons and activities. Visit https://www.teachengineering.org/ for more
Music: Fig Leaf Rag - Kevin MacLeod
Students research simple machines and other mechanisms as they learn about and make Rube Goldberg machines. Working in teams, students design and build their own Rube Goldberg devices with 10 separate steps, including at least six simple machines. In addition to the use of readily available classroom craft supplies, 3D printers may be used (if available) to design and print one or more device mechanisms. Students love this open-ended, team-building project with great potential for creativity and humor.
View the full activity at TeachEngineering:
https://www.teachengineering.o....rg/makerchallenges/v
TeachEngineering has over 1,500 FREE lessons and activities. Visit http://www.TeachEngineering.org for more!
Music: Roger That - Silent Partner
Learn more about Kendall Hunt's Project M3: Mentoring Mathematical Minds in this introduction video.
This activity simulates the extraction of limited, nonrenewable resources from a "mine," so students can experience first-hand how resource extraction becomes more difficult over time. Students gather data and graph their results to determine the peak in resource extraction. They learn about the limitations of nonrenewable resources, and how these resources are currently used.
View the full activity on TeachEngineering: https://www.teachengineering.o....rg/activities/view/c
TeachEngineering has over 1,500 FREE lessons and activities. Visit https://www.teachengineering.org/ for more
Music: Blue Macaw - Quincas Moreira
Electric school buses run on electricity instead of diesel fuel, which eliminates harmful tailpipe emissions. Electric school buses are beneficial for the environment and health, and can even cost less over time than diesel buses.
K12 Climate Action is on a mission to unlock the power of the education sector to be a force for climate action, solutions, and environmental justice. Learn more about K12 Climate Action at K12ClimateAction.org.
Descriptive Transcript:
What are electric school buses? Electric school buses run on electricity instead of diesel fuel. Electric buses don’t have tailpipe emissions that contribute to climate change and harm our health. That’s a big deal! Electric school buses cost less over time than diesel, a lot less. $170,000 per bus over its lifetime. Mitigate, adapt, advance equity, educate. This is Planet Ed. K-12 Climate Action. The Aspen Institute. Share if you want to see more electric school buses. K12ClimateAction.org #k12ClimateAction
