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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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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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Mentally Convert Fractions to Percentages sometimes.....not always possible!
This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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#fastmathtricks
#mentalmath
#mathtrick
#fractions
#fraction
#fractionsmath
I don't want to go clickbaity, but I think only about 2% of people will be able to solve this...the rest will give up! Good luck.
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#mathproblems
#mathriddles
#mathsforfun
Convert any fraction to decimals with simple division.
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This is the next video building on your mental multiplication stills.
In this video we move on to multiplying numbers in their twenties.
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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Solve simultaneous equations much faster than using the elimination method or substitution.
In fact your teacher won't be able to solve them as fast!
So hahaha to them and more free time for you!
For more examples of how to solve simultaneous equations go here: https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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#fastmathtricks
#mentalmath
#mathtrick Dividing fractions quickly is easy with the butterfly math trick! 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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Multiplying Fractions
This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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#fractions
#fraction
#fractionsmath
The greatest common factor (also called the highest common factor) is the highest number that divides exactly into two numbers.
Forget factor trees - this method is faster and neater, and gives you a better change of success!
Another tecmath math lesson brought to you by tecmath the math mad math man!
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Subtracting fractions with different denominators instantly using this fast math trick! No working out common denominators - just direct subtraction! Become a math genius in no time!
This video is part of a playlist:
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#subtractfractions
#fractionsubtract
#fraction
#fractionsmath
What is the probability of two events occurring together? First determine if the events and independent or dependant on eachother. Does replacement occur? Do you need product or addition rules? All this answered in this probability math lesson. 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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How to divide decimals: first divide as if there is no decimal. Next, count the number of digits after the decimal in each number. Through a bit of subtraction you can work out where the decimal goes.
#decimals #decimaldivision #howtodividedecimals
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