جدیدترین ویدیوها
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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Adding Fractions with different denominators can be done mentally both accurately and rapidly using this cool math trick. Become a genius in no time!
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Discover how to easily find the bearings from a diagram with random angles. The bearings looked In this math lesson are true bearings and conventional bearings.
To work out true bearings, start at north and count the number of degrees in a clockwise direction until you get to the bearing you want.
To work out conventional bearings, start by facing north or south, and count how many degrees to need to go east or west until you get to the desired bearing.
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This is the EASIEST way to multiply ANY two numbers - even the really big ones!
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Linear equations are easy to work out using a little trick of y = mx + b. Work out the gradient (easy) then substitute x y values to finalise the equation (really easy).
Linear equations playlist here : https://www.youtube.com/playli....st?list=PLjbxBzUM6SL To support free math on Patreon (thank you): https://www.patreon.com/tecmath 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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Medication Calculations for nurses and all medical types.....in this video we look at concentration percentages. To support free math on Patreon (thank you): https://www.patreon.com/tecmath 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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Simultaneous equations can be solved easily using either the substitution method or the elimination method. In this video we look at the elimination method to solve simultaneous equations. Don't forget to check your work! To support free math on Patreon (thank you): https://www.patreon.com/tecmath 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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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.
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#fractions
#fraction
#fractionsmath
Dividing Fractions
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#fractions
#fraction
#fractionsmath
How do you graph parabolas?
Easily?
Simply?
Quickly?
That's how you graph parabolas.
See more great math tricks here: https://www.youtube.com/user/tecmath
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Permutations and Combinations tell us the number of different arrangements of items or numbers that can occur. In this lesson we look at the counting principle - a fast method of counting the number of various arrangements through multiplication.
In this video we also use combinations and permutation counting principles to answer some of the big questions of life - how many different outfit combinations do you have, how many lotto permutations are there, why do they call the tecmath the Count?
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Why can't you divide by zero? This lesson looks at why division by zero is not allowed - not only is the answer undefinable, but seriously, if you do do it, a whole bunch of people on youtube lose it.
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Most people are obsessed by the size of a car's engine, but what does an engine's capacity really mean?
In this video we'll look at engine capacity - what it is, and how it is easily worked out using the cylinder volume equation.
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Thanks to my Patreon Hugh for this question. To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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Okay, you've got me - this is Pythagorus' theorum....
Really easy though! Great for putting is a wall square and setting out.
In a right angled triangle the square of the two smaller sides added together is the same as the square of the diagonal.
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How to work out the percentage of amount mentally.
The best bit - you can learn it instantly and apply it straight away! It's easy, fast and you'll be working out percentages of amounts in no time.
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How to calculate square metres of a shape in really important to get the right measurements be when ordering materials. To make sure you’re measuring square metres correctly, we'll work out the area of a rectangle with three examples. This lesson also looks at some of the conversions that might need to be made when calculating area in square metres and square centimetres.
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Forget finding common denominators when subtracting dissimilar fractions - this way is much faster and easier. This video also looks at how to deal with mixed numbers and simplification. Oh yeah..and at the end can you beat me? Not a chance!
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Time and work questions are easy - just follow this easy math trick.
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Linear equations are equations between two variables that gives a straight line when plotted on a graph. For example y = 2x + 1 is a linear equation - and as we will see it goes up by a regular amount and when we graph it it will be expressed as a straight line.
We will also look at how to easily recognise a linear equation and a non linear equation, through the use of three simple observations that can be made about the equation.
An easy quick math lesson for you.
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This shortcut is used to solve algebraic equations instantly, without all the messy working out!
Best of all, this trick is easy to learn, so you'll be able to solve problems quicker in no time at all.
Learn better. Learn faster. Learn smarter.
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