FRACTIONS:
1.) 5 + 1/2 =

2.) 1/3 + 1/3 =

3.) 4 1/2 + 1/2 =

4.) 5/6 + 2/3 =

5.) 3/4 + 1 1/3 =

6.) 4 – 1/2 =

7.) 2/3 – 1/3 =

8.) 4 1/2 – 1/2 =

9.) 5/6 – 2/3 =

10.) 3/4 – 1 1/3 =

11.) 1/2 × 1/2 =

12.) 3 × 2/7 =

13.) 2/7 × 7/8 =

14.) 1 1/3 × 2 =

15.) 2 1/2 × 1 3/7 =

16.) 1/2 ÷ 1/2 =

17.) 2 1/3 ÷ 3 =

18.) 4/5 ÷ 2 1/2 =

19.) 5 ÷ 1/5 =

20.) 3/4 ÷ 3/8 =

CSE Style:
1.) Which of the following is greater than 1?
a. 1/2 ÷ 1/4
b. 1/2 – 1/4
c. 1/4 ÷ 1/2
d. 1/4 + 1/2
e. 1/4 × 1/2

2.) 60 is 3/7 of what number?
a. 14
b. 20
c. 42
d. 140
e. 180

3.) If 3/4 of a number is 36, what is one-third of the number?
a. 8
b. 12
c. 16
d. 20
e. 24

RATIO and PROPORTION:
1.) 12 : 4 = 6 : X

2.) X : 20 = 3 : 15

3.) 16 : 8 = X : 1

4.) m/6 = 3/18

5.) 2/12 = n/18


part1:
https://youtu.be/DuVEguCq_KQ

I took a boat through 96 million black plastic balls on the Los Angeles reservoir to find out why they're there. The first time I heard about shade balls the claim was they reduce evaporation. But it turns out this isn't the reason they were introduced.

Huge thanks to LADWP for arranging this special tour for me. Next time let's put the GoPro on the submersible!

The balls are made of high density polyethylene (HDPE) which is less dense than water so they float on the surface of the reservoir even if they break apart. They are 10cm (4 inches) in diameter and contain about 210ml of water. So the main reason they are on the reservoir is to block sunlight from entering the water and triggering a chemical reaction that turns harmless bromide into carcinogenic bromate. This effect occurs with prolonged exposure to bromate so regulators insist that levels be kept below 10 microgram per liter on average over a 12 month period.

Special thanks to our Patreon supporters! Join this community to help us keep our videos free, forever:
https://ve42.co/PatreonDEB

Thanks to:
Las Virgenes Reservoir for footage of initial shade ball dump
Euro-Matic for bird into jet-engine footage

Researched and Produced by Casey Rentz

Animations by Maria Raykova

Music from http://epidemicsound.com "Colorful Animation 4" "Seaweed"

And from Kevin MacLeod "Marty Gots a Plan"

This is an educational video about the science of water quality.

Pre-order our book YOU ARE AN ARTIST (which includes new assignments!) here: http://bit.ly/2kplj2h At VidCon 2014, we hit up some of our favorite vloggers and hosts and asked them to do an Art Assignment. Any one of their choosing! Watch what kind of art skills Craig Benzine, Joe Hanson, Emily Graslie, Mike Rugnetta, and Steve Goldbloom have to offer.

Steve Goldbloom / Everything But the News:
http://bit.ly/1x6Hkw7
Mike Rugnetta / PBS Idea Channel: http://www.youtube.com/pbsideachannel
Emily Graslie / The Brain Scoop: http://www.youtube.com/thebrainscoop
Joe Hanson / It's Okay to be Smart: http://www.youtube.com/itsokaytobesmart
Craig Benzine / Wheezy Waiter: http://www.youtube.com/wheezywaiter

This video tutorial covers everything you need to know to start converting improper fractions to mixed numbers.

In this video we cover:

What are improper fractions and mixed numbers?
Visual showing the difference between improper fractions and mixed number
The steps required to convert improper fractions to mixed numbers
Examples of converting improper fractions to mixed numbers

Other Videos Mentioned:
A Step by Step Guide to Simplifying Fractions: https://youtu.be/E_81dn_OYOA
Converting Mixed Numbers to Improper Fractions: https://youtu.be/p0NMJLjt_ns

Check out my post and free printable worksheet on converting improper fractions to a mixed number here: https://improvedmath.com/how-t....o-convert-improper-f

Improved math is a channel created to provide additional instruction on essential math concepts. I’m not a math teacher, I’m an accountant. I know firsthand 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 additional resources, you can also visit my website at improvedmath.com

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

https://improvedmath.com

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

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Don’t forget to like, share, and subscribe!

#improperfractions
#mixednumbers
#mathtips
#mathtricks
#mathvideos
#learnmath
#homeschoolmath
#virtualmath

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When you stare up at the night sky, you might think that the universe is really black, but that's just because our eyes aren't sensitive enough to see the billions and billions of multicolored stars out there. Ever wonder why certain stars are certain colors? And what color is our sun, really? If we looked at enough stars, could we figure out the average color of the universe?

Read more:
Stellar classification: http://en.wikipedia.org/wiki/S....tellar_classificatio
What color is the sun: http://casa.colorado.edu/~ajsh..../colour/Tspectrum.ht
Star colors in hex code: http://blogs.discovermagazine.....com/badastronomy/201
Color of the Milky Way: http://www.news.pitt.edu/milkywaycolor
Average color of the universe (cosmic latte): http://apod.nasa.gov/apod/ap020702.html

Have an idea for an episode or an amazing science question you want answered? Leave a comment below!
Follow on Twitter: http://twitter.com/okaytobesmart
http://twitter.com/jtotheizzoe
Follow on Tumblr: http://www.itsokaytobesmart.com
Follow on Instagram: http://instagram.com/jtotheizzoe

-----------------
It's Okay To Be Smart is written and hosted by Joe Hanson, Ph.D
Follow me on Twitter: @DrJoeHanson
Instagram: @DrJoeHanson
Email me: itsokaytobesmart AT gmail DOT com
Facebook: http://www.facebook.com/itsokaytobesmart

Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios

Joe Hanson - Creator/Host/Writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer
Andrew Matthews - Editing/Motion Graphics/Animation
Katie Graham - Director of Photography
John Knudsen - Gaffer
Dalton Allen - Post-Production Intern

Theme music:
"Ouroboros" by Kevin MacLeod

Other music via APM

Stock images from Shutterstock

-----------------

Last week's video: Attack of the Zombie Parasites https://www.youtube.com/watch?v=AgCQStTSMuk

More videos:
Why Does February Have 28 Days? https://www.youtube.com/watch?v=AgKaHTh-_Gs
Why Vaccines Work https://www.youtube.com/watch?v=3aNhzLUL2ys
Why Are Some People Left-Handed? https://www.youtube.com/watch?v=NPvMUpcxPSA
Where Does the Smell of Rain Come From? https://www.youtube.com/watch?v=lGcE5x8s0B8

Visit https://www.abcmouse.com/learn/youtube to learn more about our award-winning online learning program for children 2-8!

🎉🦃 Celebrate Thanksgiving with ABCmouse in this special 40-minute compilation of holiday learning songs for kids! Sing along with "It's Thanksgiving Time," and enjoy other fun, educational songs that will keep kids entertained and learning. Perfect for the holiday season! 🎶🍂

✨ Here are the lyrics to "It's Thanksgiving Time":

It's Thanksgiving time (Thanksgiving time)
It's Thanksgiving time (Thanksgiving time)
It's Thanksgiving time (Thanksgiving time)
It's Thanksgiving time

We can all feel thankful
Flap your wings like a turkey
Flap your wings like a turkey
Flap your wings like a turkey
Flap your wings like a turkey

It's our Thanksgiving dance
Everybody take your hands
Now we're gonna put 'em both together
To say thank you

On Thanksgiving we are feeling grateful
We might eat stuffing or sweet potatoes
Or eat cranberry sauce or might have some turkey
Broccoli and salad that's enough to get dessert

On Thanksgiving we are feeling thankful
Thankful for the food we are so grateful
Thankful for our health thankful for our friends
Thankful for our family our thankfulness will never ever end

It's Thanksgiving time (Thanksgiving time)
It's Thanksgiving time (Thanksgiving time)
It's Thanksgiving time (Thanksgiving time)
It's Thanksgiving time

We can all feel thankful
Flap your wings like a turkey
Flap your wings like a turkey
Flap your wings like a turkey
Flap your wings like a turkey

It's our Thanksgiving dance
Everybody take your hands
Now we're gonna put 'em both together
To say thank you

🍁 Let’s celebrate together with songs full of gratitude and joy!

👉 Discover more fun learning songs and educational videos by subscribing to our YouTube channel at https://YouTube.com/ABCmouse.

And visit https://www.abcmouse.com/learn/youtube to find out more about our award-winning online learning program for children 2–8!

© Age of Learning, Inc. All rights reserved.

In this video, you will learn fractions of one part of a whole and two more parts of a whole.
@TeacherBethClassTV
Let's LEARN, PLAY, and GROW . . . TOGETHER!
https://www.youtube.com/c/TeacherBethClassTV
#fraction #fractions #half #onehalf #sets #number #kindergarten #kids #math #mathematics #maths #kindergartenclasses #kindergartenlearningvideos #education #educational #melcs #counting #countnumbers #mathlessons

This video shows you everything you need to know to calculate the percent of a number. I walk you through 2 methods in this video: the fractional method and the decimal method.

I also walk you through an example for calculating the percentage of a number using a calculator as well as finding percents greater than 100%.


🔴 Subscribe for more free YouTube tips: https://www.youtube.com/c/ImprovedMath

🔴 Share this video with a friend: https://youtu.be/FeX0KR5-mqQ

🔴 Check out this playlist:

✅ For business inquiries contact me at improvedmath@gmail.com

✅ Let's connect:

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

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

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


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. These math videos are designed to help teach yourself math or provide self-study math tools to assist when additional instruction is needed. Teaching math and learning math has changed the way many students learn in this virtual environment. Having on-demand math videos can provide math tutoring needed when children are not able to get help from their teachers after school hours or when trying to do math at home.

The library of math tutorials that I create can also be used as supplemental instructional material for homeschool math. Each full-length video comes with a subsequent knowledge check or math practice problems which serve as a virtual math topic worksheet to test your understanding of each skill. These videos can be paused to work out the problems on your own, then unpaused to check your answers. All of these videos can be found under the Knowledge Check playlist.

I also have a library of shorter videos (less than 1 minute in length - shorts) that are quick math tips and tricks on basic math topics. Some of these short math help videos include problems that you can work on yourself and submit your answers in the comments. They are all listed under my Math Tips and Tricks playlist.

Improved math is creating more videos every day to cover topics from 4th grade, 5th grade, 6th grade, and 7th-grade math. The videos focus on fractions, basic math operations, geometry, and ratios but more topics are being added all the time. If there is a specific topic you would like to see covered, drop me a comment in one of my videos and let me know!

Free math help videos will be posted every Thursday and Friday. For additional math resources, check out my math help website at improvedmath.com where I post math worksheets and answers along with additional context on math basics.



Thanks for watching my channel.

Droplets levitate on a bath of liquid nitrogen and are spontaneously self-propelled. Thanks Audible! Start a 30-day trial and your first audiobook is free. Go to https://audible.com/VERITASIUM or text VERITASIUM to 500500.

Special thanks to Dr. Anaïs Gauthier
Physics of Fluids: https://pof.tnw.utwente.nl/

Self-propulsion of inverse Leidenfrost drops on a cryogenic bath
Anaïs Gauthier, Christian Diddens, Rémi Proville, Detlef Lohse, and Devaraj van der Meer
PNAS January 22, 2019 116 (4) 1174-1179; published ahead of print January 22, 2019
https://www.pnas.org/content/116/4/1174

For a detailed description of the setup:
http://www.lps.ens.fr/~adda/pa....piers/Langmuir2016.p

And self-propulsion is also seen: http://www.lps.ens.fr/~adda/pa....piers/InvLeidenfrost

Other recent (hot) Leidenfrost experiments that might be interesting:
* Leidenfrost wheels: https://www.youtube.com/watch?v=glRGl-eYuXo
* Leidenfrost maze: https://www.youtube.com/watch?time_continue=174&v=vPZ7sx3EwUY
* Leidenfrost explosions: https://www.youtube.com/watch?v=z0sp3AjgUy4

Special thanks to Patreon supporters:
Donal Botkin, James M Nicholson, Michael Krugman, Nathan Hansen, Ron Neal, Stan Presolski, Terrance Shepherd

Thanks to Prof. Kevin McKeegan at UCLA for the liquid nitrogen

Filming by Raquel Nuno

Additional animations by Alan Chamberlain

What is the difference between bacteria and viruses? In Bacteria and Viruses for Kids, you will learn all about these two microorganisms. The first thing you will learn is that not all bacteria are bad. In fact, the majority of bacteria on the planet and in your body are actually good. You can find bacteria in things like yogurt, soy sauce, and pickles!

So what are bacteria? They are single-celled organisms so small that you can't see them without a microscope. They don't have a nucleus like other single-celled Common shapes include rods, spirals, and spheres. All these organisms move in different ways too. Some move like swimmers using tail-like structures called flagella. Others stay still and don't move much at all. Then there are some that slither or slide their way around.

Most bacteria are not harmful. However, there are some that can make you sick. These are called pathogens. Common pathogens include food poisoning, leprosy, and typhoid fever. To fight these pathogens, you can use antibiotics or antiseptics. You can actually find antiseptics in soaps because it's how you keep your hands clean. Good bacteria, on the other hand, are good for many reasons. They help you digest food and keep your immune system strong. They also break down dead plant and animal material to help keep soil healthy. And, they produce about half of the oxygen in the atmosphere!

What about viruses? All viruses are bad. Scientists debate whether these organisms are living or dead because they don't have an organized cell structure and can't reproduce unless they attach themselves to a living cell. The word virus comes from the Latin word for "slimy liquid." These organisms attack healthy cells. As those cells reproduce, the virus reproduces too and spreads. Many kinds can pass from person to person through hand-shaking, food contact, and through water.

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

https://learnbright.org/lesson....s/science/bacteria-a
https://learnbright.org/lessons/science/germs/
https://learnbright.org/lesson....s/science/influenza-

What you will learn in Bacteria and Viruses for Kids:
0:00 Introduction to bacteria
1:01 What are bacteria and what do they look like?
1:56 All about bad bacteria—pathogens
2:38 All about good bacteria
3:27 Introduction to viruses
4:22 How viruses work
5:29 How to prevent viral infections
6:41 Review of the material

Thank you for watching and learning with us! We’re constantly releasing new content and videos, so click that “Subscribe” button and you’ll get notified.

Find and Follow Us Online:
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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

#BacteriaAndVirusesForKids
#Bacteria
#Viruses

Einstein's classic thought experiment involves sitting on a train travelling at the speed of light. If you hold a mirror in front of your face, will you see your reflection in a mirror? How could light from your face reach the mirror if the mirror is travelling away from you? But it would be a pretty spooky train if you couldn't see your reflection so Einstein felt this solution wasn't realistic. On the other hand if you could see your reflection, it would mean light was travelling at the speed of light inside the train. But that meant the same light observed from outside the train would be going twice the speed of light. This again seems inconsistent. So Einstein resolved that you must see your reflection but that light must travel at the same speed inside and outside the train. The only way this is possible is if space and time are perceived differently by observers inside and outside the train.

Go ‘beyond the nutshell’ at https://brilliant.org/nutshell/ and dive deeper into these topics and more with a free 30-day trial!
This video was sponsored by Brilliant. Thanks a lot for the support!

Sources & further reading:
https://sites.google.com/view/....sources-impossible-m

You are cells. Your muscles, organs, skin and hair. They are in your blood and in your bones.
Cells are biological robots. They don’t want anything, they don’t feel anything. They are never sad or happy. They just are, right here, right now. They are as conscious as a stone or a chair or a neutron star. Cells just follow their programming that has been evolving and changing for billions of years, molded by natural selection.
They are impossible machines and yet, here they are, driven entirely by the fundamental forces of the universe. The smallest unit of life, right at the border where physics becomes biology.
Sometimes, to get a truer understanding of how amazing something is, you need to hold your breath and dive in really deep. So, what are cells and how do they work?


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Learn to calculate faster than any calculator numbers close to 100 using vedic math. This is a great method of doing fast maths in your head. Using some multiplication, and some addition you too can be a genius!

To donate to the tecmath channel:https://paypal.me/tecmath

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Join us on an extraordinary journey around the globe with our "Search & Explore Compilation"! 🌎✨ In this special 45-minute video, preschoolers and their families will marvel at manmade wonders, from the towering Great Wall of China to the majestic Golden Gate Bridge. 🏰🌉

Watch HD on your TV in the living room or on your mobile device on the go!

ABCmouse brings the excitement of discovery to your screen, combining fun animations with educational content that sparks young imaginations. Perfect for preschool learning, this compilation encourages curiosity, provides cultural insights, and enhances understanding of the world's architectural feats. 🛠️📚

Don't miss out on this captivating world tour of manmade marvels. Subscribe to our YouTube channel for more exciting learning adventures and visit https://www.abcmouse.com/learn/youtube to discover our award-winning online learning program for children aged 2–8. 🌟

© Age of Learning, Inc. All rights reserved.

Welcome to Teacher Aika! 🎓✨

Looking for fun and easy-to-understand lessons? You’re in the right place! I create engaging MATATAG lesson presentations and educational content to make learning exciting for everyone—whether you're a student, teacher, or parent. 💡📚

RAKETPH: https://www.raket.ph/teacheraika1529
FB PAGE: https://www.facebook.com/teacheraikaph/

Hey, kids! 👋😃 Learning is fun here! 🚀🎨📖 Join me in exploring cool lessons, exciting activities, and awesome stories that will help you grow smarter every day!

Don’t forget to Like, Subscribe, and hit the bell 🔔 so you won’t miss new videos! You can also check out my Facebook page for more learning resources. Let’s learn and have fun together! 🎉

Thank you! :)


#teacheraika #grade4matatag #matatagcurriculum #english #math #science #musicandarts #mapeh #peandhealth #filipino #gmrc #ap #grade4subjects #grade4 #RevisedK-12Currriculum#K-12Curriculum
Welcome to Teacher Aika! 🎓✨

Looking for fun and easy-to-understand lessons? You’re in the right place! I create engaging MATATAG lesson presentations and educational content to make learning exciting for everyone—whether you're a student, teacher, or parent. 💡📚

RAKETPH: https://www.raket.ph/teacheraika1529
FB PAGE: https://www.facebook.com/teacheraikaph/

Hey, kids! 👋😃 Learning is fun here! 🚀🎨📖 Join me in exploring cool lessons, exciting activities, and awesome stories that will help you grow smarter every day!

Don’t forget to Like, Subscribe, and hit the bell 🔔 so you won’t miss new videos! You can also check out my Facebook page for more learning resources. Let’s learn and have fun together! 🎉

Thank you! :)

#rounding #mathtips #mathhelp #homeschool #homeschooling

This video walks you through 4 examples for rounding numbers to the nearest hundred.


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🔴 Share this video with a friend: https://youtu.be/NP8hhRtpkA4


✅ For business inquiries contact me at improvedmath@gmail.com

✅ Let's connect:

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

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

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


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. These math videos are designed to help teach yourself math or provide self-study math tools to assist when additional instruction is needed. Teaching math and learning math has changed the way many students learn in this virtual environment. Having on-demand math videos can provide math tutoring needed when children are not able to get help from their teachers after school hours or when trying to do math at home.

The library of math tutorials that I create can also be used as supplemental instructional material for homeschool math. Each full-length video comes with a subsequent knowledge check or math practice problems which serve as a virtual math topic worksheet to test your understanding of each skill. These videos can be paused to work out the problems on your own, then unpaused to check your answers. All of these videos can be found under the Knowledge Check playlist.

I also have a library of shorter videos (less than 1 minute in length - shorts) that are quick math tips and tricks on basic math topics. Some of these short math help videos include problems that you can work on yourself and submit your answers in the comments. They are all listed under my Math Tips and Tricks playlist.

Improved math is creating more videos every day to cover topics from 4th grade, 5th grade, 6th grade, and 7th-grade math. The videos focus on fractions, basic math operations, geometry, and ratios but more topics are being added all the time. If there is a specific topic you would like to see covered, drop me a comment in one of my videos and let me know!

Free math help videos will be posted every Thursday and Friday. For additional math resources, check out my math help website at improvedmath.com where I post math worksheets and answers along with additional context on math basics.



Thanks for watching my channel.

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Sources & further reading:
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Hidden in the microverse all around you, there is a merciless war being fought by the true rulers of this planet, microorganisms. Amoebae, protists, bacteria, archaea and fungi compete for resources and space. And then there are the strange horrors that are viruses, hunting everyone else. Not even being alive, they are the tiniest, most abundant and deadliest beings on earth, killing trillions every day. Not interested in resources, only in living things to take over. Or so we thought.
It turns out that there are giant viruses that blur the line between life and death – and other viruses hunting them.


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