Factorials are easy! This basic video lesson with show you the basics of factorials as well as some shortcuts in calculations involving factorials.

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These algebra shortcuts are essential if you want to speed through your math work and still get the right answers.

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The simple process of how to simplify ratios.

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Need to compare hourly rate to annual pay?
This math hack will allow you to do it instantly and easily - faster than you think!

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Percentage tricks: https://www.youtube.com/watch?v=8fG9nbVV9g4&list=PLjbxBzUM6SLn7pLTxrksJjlHoLY8aOcGk&index=7

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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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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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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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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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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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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Work out fractions of an unknown amount with this fast math lesson. This lesson explains the role of the denominator and numerator (bottom and top numbers) in a fraction to show how to solve these types of math problems quickly and easily. 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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The Midpoint Formula. In this video we look at how to find the midpoint between two points. Quick, easy and simple. 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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What is the probability of two events occurring together? First determine if the events and independant or dependant on eachother. Does replacement occur? Do you need product or addition rules. All this answered in this probability math messon. 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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Convert from miles to kilometres instantly, and the back again! Or...convert from kilometres to miles. This method is a fast way to do the multiplication required!


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#convertingmeasurements
#convertingunits
#metric

Adding and Subtracting Mixed Numbers

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

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#fractions
#fraction
#fractionsmath

This has been described as the world's toughest math problem - but it really is not! Can you solve it?

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#mathproblems
#mathriddles
#mathsforfun

This trick allows you to work out the surface area almost instantly of ANY rectangular prism (or box). How do you work out the TSA (total surface area) of a box - watch this video and you'll be able to do it instantly!

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This maths calculation tricks helps you quickly work out hard to divide numbers, such as those with long division. With no effort you will be doing long division with 9, leading on to doing long division with any number under 100 in future (linked) videos.
This would have to be the most easy long division trick.
See my other videos for how to divide the normal way, and how to divide fractions and decimals.

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When rates are expressed as a quantity of 1, such as 2 feet per second or 5 km per hour, they are called unit rates. Use this trick to always get them right! 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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This algebra math video tutorial focuses on simplifying exponents (also called indicies) using the five exponent laws.
What's more we look at WHY the laws work - so you will remember them!
Plenty of examples.

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