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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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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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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Surds / Radicals - the basics - multiplication made easy 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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Multiply ANY two numbers much faster than your teacher ever taught you.
Become a math genius!

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The circumference of a circle (also called the perimeter of a circle) is easy to work out - because you just multiply the diameter by pi!

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#perimeter
#cicumference
#circle

How to solve Simultaneous Equations using elimination.

Work out percent problems of an unknown amount with this fast math lesson.
This video shows how to easily solve percentage problems and looks at how to convert percentages to fractions and percentages and fractions to decimals.
This lesson shows two methods for working out the problems -- enabling learners to work with the method that works best for them. These strategies are both easy for students to learn and for teachers to teach -- and give a greater understanding of the relationship between percent, decimals and fractions when describing parts of an amount.
The first method explored uses the fraction of the percent (putting the number out of 100), and then easily and instantly converting this to a decimal. Then using some simple equation juggling we solve the equation to get the answer. This type of method is good for those who can follow simple steps and are capable when shifting around numbers in an equation to get an answer.
Using the second method we look at where we can solve the problem by changing the value to one percent then 100 percent.
This is another video from the tecmath channel made in response to a question from a viewer -- so the other lesson you can learn is this -- if you have any mathematical questions and you need them answered -- then let me know -- I'd be glad to help! Even better if we can find a math trick or two along the way!

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Cube numbers are the result of multiplying a number by itself three times.
The opposite of cubic numbers are cube roots.

For the playlist of indicies and prime numbers.
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL

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Simplifying Square Roots - this is a really easy math lesson when working on surds or radicals. Just work with perfect squares! 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 and Subtracting Fractions with the Same Denominator.


This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL


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#fractions
#fraction
#fractionsmath

How to work out medication dosages. This part of a series looking at math calculations used by nurses.

To do IV calculations go here: https://www.youtube.com/watch?v=Dezgx_WWEdI

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Want to give Wipebook Flipchart a try: check out https://www.wipebook.com/tecmath for up to 30% off your first purchase FOR A LIMITED TIME ONLY!
(Note: Wipebook are a Canadian Company - for customers outside Canada select wipebook.com

Can you solve this problem?
It's a little deceptive - and I reckon you're doomed!
And yes - there is old tecmath Josh's face using the Wipebook Flipchart - and yes - I loved this product! Great for math on the go!


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#Wipebook
#Flipchart
#math problem

This maths trick for fast multiplication allows you multiply any two numbers quickly, using vedic math. This method is a great alternative either for those who need that extra bit of help with math, or people who like to expand their knowledge.
This trick is especially useful in multiplying large numbers, with less mess and confusion than standard long multiplication.

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How to work out the area of a triangle with three examples. This lesson also looks at the units used such as square metres and square centimetres.

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This math lesson looks at pythagorean math - how to work out the unknown sides of right angles triangle. The 3,4,5 triangle will also be explored. Become a math genius! 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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Forget finding common denominators when adding dissimilar fractions - this way is much faster and easier. This video also looks at how to deal with mixed numbers and simplification. This cool math trick will have you adding fractions like a genius!

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Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.
This electronics video tutorial provides a basic introduction into ohm's law. The math is easy. Lot's of examples.


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How to instantly add large sets of single digit numbers mentally.
Using this mental math method you will be able to add any number of one digit numbers with each other - faster than a calculator! Become a math genius in no time using this trick!

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Surds / Radicals - the basics made easy. Maths is radical (bad pun). 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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