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Age problems in maths can be solved easily by combining all the information into a single equation and then solving. Lots of examples here too. No trick here - just step by step on how to solve.
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Simultaneous equations three variables using elimination - easy - eliminate down from three equations with three variables, to two equations with two variables...to your answer!
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#simultaneousequations
#eliminationmethod
Simplifying ratios involving fractions
This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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#fractions
#fraction
#fractionsmath
Want to work out the percentage of a number?
Want to do percentages in your head?
Want to work out percentages instantly?
This is all about percentages - how to work them out - fast.
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It really helps and is appreciated!
#percentage #percentages
Long Division is easy - just follow these simple steps.
1. Divide
2. Multiply
3. Subtract
4. Bring Down
That's it.
No fuss. No worries. Math made easy.
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Combinations are easy to work out and understand using the right method. Combinations differ from permutations in that with combinations order does not matter....so take this into account and the answer is easy.
Part of the permutations and combinations playlist: https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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Long division is not hard when you use this fast easy math method.
This long division trick will see you right!
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#fastmathtricks
#mentalmath
#mathtrick
Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles. In this video we look at the use of trigonometry with right triangles, solving for both sides and angles.
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BTW for those interested - the history of trigonometry history is fascinating!
The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies.
The use of trigonometry really took off due to it's use in navigation - trigonometry has been used for locating latitudes and longitudes of sailing vessels, plotting courses, and calculating distances during navigation.
Trigonometry is still used in navigation through such means as the Global Positioning System and artificial intelligence for autonomous vehicles.
But the truly cool trigonomic endevour was The Great Trigonomical Survey.
The Great Trigonometrical Survey was a project which aimed to measure the entire Indian subcontinent with scientific precision. It was begun in 1802 and completed of it in 1871.
Among the many accomplishments of the survey was measurement of the height of the Himalayan giants: Everest, K2, and Kanchenjunga. The Survey had an enormous scientific impact as well, being responsible for one of the first accurate measurements of a section of an arc of longitude.
Triangulation surveys were based on a few carefully measured baselines and a series of angles. The initial baseline was measured with great care, since the accuracy of the subsequent survey was critically dependent upon it. Various corrections were applied, principally temperature. An especially accurate folding chain was used, laid on horizontal tables, all shaded from the sun and with a constant tension. The early surveys made use of large and bulky theodolites made by William Carey, a Zenith sector made by Jesse Ramsden and 100-foot (30 m) chains!
Interesting aside - Everest was one of the leaders of the survey - and his name was pronounced Eve-rest not Ever-est! To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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Solving percent problems is easy. By using this percentage trick to easily break down the percentage into different parts, you can solve percentage problems in your head in a matter of seconds.
This trick also is explained so you will know what you are doing and have a deeper understanding of what percentages are and how to solve them.
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Want to knowhow to multiply some big numbers almost instantly in your head?
This trick is a great addition to add to your mental math toolbox.
Here is THE mental multiplication lesson playlist - progressing you through your mental multiplication.
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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Convert any decimals to fractions with these awesome math tricks!
Easy basic decimals - 1:43
Simple recurring Decimals (eg 0.7777 or 0.242424) - 3:33
Harder recurring decimals (eg 0.1666 or 0.916666) - 7:35
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Add any fraction instantly using this fast math trick! No working out common denominators - just direct addition! Become a math genius in no time!
This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
To support tecmath making new math videos on Patreon:
https://www.patreon.com/tecmath To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
To support tecmath on Patreon: https://www.patreon.com/tecmath
To buy tecmath mechandise: https://teespring.com/stores/tecmath-store
#fastmathtricks
#mentalmath
#mathtrick
#fractions
#fraction
#fractionsmath
This video was sponsored by Skillshare.
The first 1000 people to use the link will get a free trial of Skillshare Premium Membership.
https://skl.sh/tecmath10201
The game of nim is an easy to learn math strategy game, that can be played anywhere with matchsticks, rocks, twigs....
But best of all, whilst it looks fair, there is a math strategy you can employ to win everytime!
Game of Nim link: https://www.archimedes-lab.org..../game_nim/play_nim_g
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#skillshare
#sponsoredvideo
#mathgame
Square any number up to 1000 with this easy to understand fast math trick!
How fast? Some can be done instantly - others will take up to 5 seconds - as you can see in the thumbnail.
For this math technique you will square each of the digits then add them to the digits multiplied by themselves and 2...all really easy calculations.
This trick is based in Vedic math - an Indian system of mathematics.
Maths is made easy with tecmath helping!
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#fastmathtricks
#mentalmath
#mathtrick
This multiplication trick is so easy - but you probably don't know it...because it doesn't get taught.
That's OK - youtube and tecmath has your back - with this, the easiest multiplication trick you were EVER taught in school!
Here is THE mental multiplication lesson playlist - progressing you through your mental multiplication.
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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How to factorise ANY quadratic equations near to instantly - using this simple trick - in fact with enough practice you'll be factoring quadratic equations faster than your teacher can write the next one on the board!
This quadratic factorising method as a fast, easy factorisation trick with plenty of examples to get you good.
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Quadratic equations can be factorised rapidly with this cool fast math trick. Algebra made easy.
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Percentage made easy! These five tricks for percentage calculation include working out percentage mentally, percentage increase and decrease and other percentage tricks and shortcuts.
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This trick for multiplication is awesome! Multiply numbers near 100 in under 5 seconds. Remember - you don't need a clickbait title to view this - you are far far better than that! Five minutes - you havre another multiplication math trick up your sleeve!
Here is THE mental multiplication lesson playlist - progressing you through your mental multiplication.
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
To donate to the tecmath channel:https://paypal.me/tecmath
To support tecmath on Patreon: https://www.patreon.com/tecmath
To buy tecmath mechandise: teespring.com/stores/tecmath-store
Finding the square root is easy for any perfect square under 100! You'll be able to calculate squares faster than ever and amaze everyone with your utter genius!
To find the square root of non perfect squares follow this link: https://www.youtube.com/watch?v=PJHtqMjrStk
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This percentage trick is so easy - but you probably don't know it...because, let's face it, you were not paying attention in school when the teacher told you!
That's OK - youtube and tecmath has your back - with this, the easiest percentage trick you were EVER taught in school!
To donate to the tecmath channel:https://paypal.me/tecmath
To support tecmath on Patreon: https://www.patreon.com/tecmath
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More percentage tricks: https://www.youtube.com/watch?v=8fG9nbVV9g4&list=PLjbxBzUM6SLn7pLTxrksJjlHoLY8aOcGk&index=7
Welcome to Multiplying Fractions Using Cancellation with Mr. J! Need help with how to multiply fractions? You're in the right place!
Whether you're just starting out, or need a quick refresher, this is the video for you if you're looking for help with multiplying fractions with cross cancellation. Mr. J will go through multiplying fractions with cross canceling examples and explain how to multiply fractions using cancellation.
✅ Improper Fractions to Mixed Numbers:
https://youtu.be/EpXCr2iax5E
✅ Mixed Numbers to Improper Fractions:
https://youtu.be/96NOYcnmThU
✅ Simplifying Fractions:
https://youtu.be/oFVzcnJfYkg
✅ Plus many more... Just search what topic you are looking for + "with Mr. J" (for example, "adding fractions with Mr. J".
About Math with Mr. J: This channel offers instructional videos that are directly aligned with math standards. Teachers, parents/guardians, and students from around the world have used this channel to help with math content in many different ways. All material is absolutely free.
Click Here to Subscribe to the Greatest Math Channel On Earth: https://goo.gl/XHTrfY
Follow Mr. J on Twitter: @MrJMath5
Email: math5.mrj@gmail.com
Music: https://www.bensound.com/royalty-free-music
Hopefully this video is what you're looking for when it comes to multiplying fractions using cancellation.
I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.
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I believe everyone can learn math and it doesn't have to be a struggle. There are three things everyone learning math needs. A belief you can learn math, deliberate practice and a coach for guidance. For more helpful tips and tricks visit my website
My website
http://www.freemathvideos.com
If you are looking to take your learning to the next level by then I have created multiple courses on Udemy for you as well. In addition to video tutorials I organize the content so you do not have to wonder which video to watch first. Included in the courses are practice sheets and quizzes for you to master your skills. To learn more please visit
https://www.udemy.com/user/brianmclogan2/
