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The ratio tricks range from the easy and useful in everyday life, right through to the only in math class but it will save you a tonne of time variety.
Ratios are easy with these easy to understand tips and tricks!
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Time and work questions are easy - just follow this easy math trick.
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Dividing Fractions
This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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#fractions
#fraction
#fractionsmath
Fractions are parts of numbers. In this introduction to fractions we look at the parts of a fraction - the numerator and the denominator, as well as proper fractions, improper fractions and mixed numbers and how these relate to each other.
This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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#fractions
#fraction
#fractionsmath
This is the EASIEST way to multiply ANY two numbers - even the really big ones!
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The twelve times table trick fast and easy to apply - and it will leave you able to multiply any number by twelve rapidly!
It is similar to an eleven times table trick we have looked at earlier - https://www.youtube.com/watch?v=_HrHUUWtsbE
Just follow these simple rules - for the number being multiplied, double each number in turn and add its neighbour (to the right). Some carrying may be involved but it is easy to handle. This math trick will amaze you!
When you try these out for yourself, write the figures spaced apart, and as you go through answering the question place each part of the answer directly below the digit the answer was derived from. This will help you avoid errors when getting the answer.
In this particualr case of multiplication it is important because you need to easily be able to identify the 'number' and the 'neighbour'.
This method works for all multiplication of twelve. It is not meant as a substitute for knowing your times table, rather, it is meant to allow you to expand your mathematical capabilities and to recognise patterns. 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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Simplifying fractions makes them more simple to deal with. Simple. Easy to do to.
This video is part of a playlist:
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#fractions
#fraction
#fractionsmath
This multiplication trick is really pretty obvious when you think about it.
Do you know it?
Here is THE mental multiplication lesson playlist - progressing you through your mental multiplication.
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
Here is that link how to multiply questions like 3 x 54 instantly
https://youtu.be/yZULgerBRms
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How to you convert between improper fractions and mixed numbers? Or mixed numbers and improper fractions. This video looks at this.
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#fractions
#fraction
#fractionsmath
This trick allows you to work out the cube root of any number fairly quickly, - and what's more it is easy to learn and remember!
You'll be doing vube roots in your hear - faster than a calcuator.
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Decimal playlist...click here!
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
Dividing decimals is easy, just divide like usual - and work out the number of decimal places as follows:
The number of decimal places in the answer = number of decimal places in the item being divided - number of decimal places in the dividing number....
e.g. 123.963 (3) / 0.3 (1) = 413.21 (3 - 1 = 2) where decimal places are shown in brackets.
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This trick solves simultaneous equations fast, without all the multiplying of equations usually used.
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Probability Trees are a great way of organising your ideas when solving probability problems in math - allowing you to easily work out different results possible as well as actual probabilities.
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Tree diagrams are used help work out outcomes when doing probability calcuations.
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Prime factorization and factor trees.
Every composite number can be written as a product of powers of prime numbers.
A factor tree shows the prime factors of a composite number.
For the playlist of indicies and prime numbers.
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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Checkout geeklyEDU at https://www.youtube.com/c/GeeklyEDU/featured
This long division trick is a simple as connecting the dots, and it's as quick as a flash.
Math is math with tecmath math!
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Rule of 72. This method lets you compound interest calculations in your head to find an the time taken for an investment to double. 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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This algebra trick allows you to easily solve where the variable (that letter x) occurs on either side of the equation. In just a few seconds. Snap!
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Finding the square of a nmuber is easy - just follow these mental math tricks. You'll be able to calculate squares faster than ever and amaze everyone with your utter genius!
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#fastmathtricks
#mentalmath
#mathtrick
This problem will only take 30 seconds...but plenty of people are getting it wrong. Can you get it right first time? To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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#mathproblems
#mathriddles
#mathsforfun
