What are Cardinal Directions? In this video built as an introduction to kids we will learn all about the 4 Cardinal Directions which are: North, South, East, West. Each time you go somewhere, you travel or move in a direction, which is the course or path you move in. You might walk down the street and then turn right or left, later turn around and return home. You are moving in different directions throughout the day. In the same way, cars, airplanes, buses, trains, and other vehicles move in different directions too. However, instead of turning to the right or left, or traveling up or down the
street, there are special words used to name the directions a vehicle or person can travel.

There are four main directions or points called cardinal directions (sometimes cardinal points). The four points include north (N), east (E), south (S), and west (W). The direction words are found on maps, compasses, street signs, and in many other places. The cardinal directions help people travel from place to place. In this video you'll learn it all and even have a chance to practice what you learn at the end.

To enhance your child's learning we invite you to visit us at https://learnbright.org/lesson....s/social-studies/car to download a free 10-page lesson plan with cardinal directions worksheets, activities, and even more fun content.

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In this video Fossil Fuels for Kids you and your students will learn all about fossil fuels, what they are, and where they come from. We talk about the kinds of fossil fuels (Coal, Oil, Natural Gas), Where they come from, common misconceptions about fossil fuels, what they are used for and so much more! We hope you and your kids enjoy learning all about fossil fuels.

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This precalculus video tutorial provides a basic introduction into the gauss jordan elimination which is a process used to solve a system of linear equations by converting the system into an augmented matrix and using elementary row operations to convert the 3x3 matrix into its reduced row echelon form. You can easily determine the answers once you convert it to that form.

Introduction to Matrices:
https://www.youtube.com/watch?v=yRwQ7A6jVLk

Adding and Subtracting Matrices:
https://www.youtube.com/watch?v=QXUbFzEd3Ww

Scalar Multiplication of Matrices:
https://www.youtube.com/watch?v=iJERwUVuwtY

Solving Matrix Equations:
https://www.youtube.com/watch?v=UHhvcj0doaA

Multiplying Matrices:
https://www.youtube.com/watch?v=vzt9c7iWPxs

__________________________________
Gaussian Elimination & Row Echelon Form:
https://www.youtube.com/watch?v=eDb6iugi6Uk

Gauss Jordan Elimination:
https://www.youtube.com/watch?v=eYSASx8_nyg

Gaussian Elimination With 4 Variables:
https://www.youtube.com/watch?v=4VAXv6yRULU

Inverse of a 2x2 Matrix:
https://www.youtube.com/watch?v=aiBgjz5xbyg

Inverse of a 3x3 Matrix:
https://www.youtube.com/watch?v=Fg7_mv3izR0

__________________________________
Determinant of 2x2 and 3x3 Matrix:
https://www.youtube.com/watch?v=3ROzG6n4yMc

Determinant of 4x4 Matrix:
https://www.youtube.com/watch?v=fWzUwrt1Z0s

Cramer's Rule - 2x2 Linear System:
https://www.youtube.com/watch?v=vXqlIOX2itM

Cramer's Rule - 3x3 Linear System:
https://www.youtube.com/watch?v=Ot87qLTODdQ

___________________________________
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See if you share a famous birthday (I got Tom Hiddleston): http://www.buzzfeed.com/kimber....leydadds/which-celeb

Explore the math behind Birthday Paradox #1: https://www.khanacademy.org/ma....th/probability/proba

Explore Birthday Paradox #2: http://www.trans4mind.com/pers....onal_development/mat

The “Facebook Birthday Problem” is a variant of the Coupon Collector’s Problem: https://en.wikipedia.org/wiki/....Coupon_collector%27s


Have an idea for an episode or an amazing science question you want answered? Leave a comment or check us out at the links below!

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It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D.
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This math video tutorial explains how to multiply two fractions together.

Fractions - Basic Introduction: https://www.youtube.com/watch?v=3TklZi6MeJ4

Adding Fractions - Unlike Denominators:
https://www.youtube.com/watch?v=5fbzZEK77DQ

Subtracting Fractions:
https://www.youtube.com/watch?v=8ZbIrASBj54

Multiplying Fractions:
https://www.youtube.com/watch?v=sR83TDp_g2c

Dividing Fractions:
https://www.youtube.com/watch?v=Ht8O3cJ9yJ8

_____________________________________
Mixed Numbers - Basic Intro:
https://www.youtube.com/watch?v=PZGx0nSxzjs

Improper Fractions to Mixed Numbers:
https://www.youtube.com/watch?v=zvLql0wBM4E

Improper Fractions to Decimals:
https://www.youtube.com/watch?v=jt6UQD08azc

How To Convert Fractions to Decimals:
https://www.youtube.com/watch?v=pDs4a4ijqh0

Percent to Fraction:
https://www.youtube.com/watch?v=5ZHccsyr_JI

_____________________________________
Comparing Fractions:
https://www.youtube.com/watch?v=KHvnQLA9AmI

Equivalent Fractions:
https://www.youtube.com/watch?v=v31RGvrYIjU

Fractions on a Number Line:
https://www.youtube.com/watch?v=fLY9yRdBObQ

How To Simplify Complex Fractions:
https://www.youtube.com/watch?v=AqUvxoTKayI

Fractions & Mixed Numbers - Review:
https://www.youtube.com/watch?v=Vb5c7ay0ziU

_____________________________________
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Music Track:
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This the first video of a four part playlist. The first three videos briefly explain the math needed for the proof. The fourth video is the proof. This video gives a quick demonstration of a factorial.

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The largest pterosaurs like Quetzalcoatlus were closer in size to airplanes than birds. No flying animal alive today comes close to their huge size. So did giant pterosaurs actually fly? I went to see the fossil bones of the largest pterosaur that ever lived so I could learn how these winged giants actually took to the skies.

Special thanks:
Michael Habib, Ph.D. https://twitter.com/aeroevo
Matthew Brown/University of Texas Vertebrate Paleontology Collection

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Arabic Math, Kids Subtraction, #3, Learning, teaching, Factoring manipulative Blocks, with Smiley Face Books using Japanese Numerals, Mortensen Math Japan, Algebra, Factoring Expressions, with Jerry Mortensen, Mortensen Math manipulative blocks, Kids Montessori K-12 Homeschooling Pre-school Charter Schools Kindergarten mathematics tutorial video.\
Math, Calculus, Trigonometry, Fractions, Algebra, Addition, Subtraction, Multiplication, Factoring
Algebra visualization with Mortensen Math.com manipulative colored blocks to visualizing algebraic expressions, visualizing mathematics, Montessori Homeschool k-12 preschool online curriculum on line video.
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This is a math video lesson to help you with new math, math tricks, and or simple math questions you may have.

I added lyrics to this video. I hope I got it right. Comments are welcome Thanks to Afalanis and the Oakwood Summer Program for the video. I think they made it

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WEBSITE: http://www.teachertube.com 8th grade teacher Lamar Queen rapping about slopeintercept to students
I got this video from youtube.

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The British Helmet in World War I

John L. Brodie had invented and patented a design in 1915, called the Helmet, steel, Mark one or 'Brodie helmet' after its inventor.


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The Tank Mark I Heavy Tank
(First World War Tech)

The tank Mark I was the service model of the prototype vehicle known as ‘mother’ which came about from development models based on the Holt tractor chassis.

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energy released during a nuclear reaction as a result of fission or fusion Also called atomic energy. nuclear energy in Science Expand. nuclear energy. The energy released by the nucleus of an atom as the result of nuclear fission, nuclear fusion, or radioactive decay.

When an atom of nuclear fuel (uranium) absorbs a neutron, the uranium will fission into two smaller atoms (waste) and release one to three neutrons. The kinetic energy of the waste is used to heat the water for the steam turbine. The neutrons are used to fission the next lot of uranium atoms and the process continues.

The Periodic Table. The first 20 elements. All credit to ASAP SCIENCE!! Thanks alot. For full version
https://www.youtube.com/watch?v=VgVQKCcfwnU

WEBSITE: http://www.teachertube.com The basic exponential function y abquotx is applied to situations in compounding interest radioactive decay half life and population growth. The graphing calculator is used to evaluate the functions for different input values. The Tableset feature in the calculator is used.

Let's Learn How To Make Sentences With "A or An".

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WEBSITE: http://www.teachertube.com Deomonstrates the Ambiquous case ussing the Law of Sines.