To multiply large numbers quickly we use the method of cross multiplication - a type of method used in vedic math. By following the method in this series of videos you will quickly and easily learn how to multiply any size quickly - not with lots of different tricks like the other methods, but by using one method only.
This video looks at how to multiply large numbers, four digits and over. Become a math genius - a master at numbers! Impress your teachers and get perfect grades at Math in school be working faster than your teacher can!

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Percentages can be done mentally both accurately and rapidly using this cool math trick. Become a genius in no time!

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How Many Faces, Edges And Vertices Does A Cylinder Have?
Here we’ll look at how to work out the faces, edges and vertices of a cylinder.
We’ll start by counting the faces, these are the flat surfaces that make the cylinder. A cylinder has 2 faces altogether - 2 circular faces, as well as 1 rectangular face.
Next we’ll work out how many edges the cylinder has, which are where two faces meet. A cylinder has 2 edges.
Next we’ll count the corners of the cylinder (the corners). No surprises, a cylinder does not have any vertices.

For the full playlist for the faces, edges and Vertices of a whole lot of 3D shapes go to https://www.youtube.com/playli....st?list=PLjbxBzUM6SL

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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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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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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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For the playlist of math problems:
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#mathproblems
#mathriddles
#mathsforfun