How to solve Simultaneous Equations using elimination.

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

Multiply ANY two numbers much faster than your teacher ever taught you.
Become a math genius!

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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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This multiplication trick is really pretty obvious when you think about it.
Do you know it?

Here is THE mental multiplication lesson playlist - progressing you through your mental multiplication.
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL

Here is that link how to multiply questions like 3 x 54 instantly
https://youtu.be/yZULgerBRms


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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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Convert any fraction to decimals with simple division.

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Dealing with dosage math for nurses. 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 from graphs. Like it sounds, we will use the graphs of linear equations to produce the equation itself, using the slope intercept method (y = mx + b). Using this method we will first determine the y intercept, and then the gradient of the equation.
This is part of a series of videos looking at linear equations.

Linear equations playlist: 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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These two ways of multiplying are much easier and faster than any way you ever learnt in school! What's more they are easy to remember - easier than the usual method!
But what do you think?

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Mixed numbers with fractions addition can be done instantly - just follow this easy method.


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Dividing amounts into a ratio is not only easy, it can be done quickly with only a few steps. You will be a master at this in only a few minutes through learning on the tecmath math channel!

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Learn how you can square large numbers in your head - instantly! This easy to learn technique will have you calculating the square of numbers up to 100 - without the need for a calculator.
The trick is easy - first we find the distance from the number being squared to the nearest tens number. Say for example we are trying to find the square of 23 - the nearest tens number is 20, which is 3 away from 23. So 3 is our result!
We use this number to find the square - by taking this number from the number being squared (23 - 3 = 20) and then adding this number to the number being squared (23 + 3 = 26). We easily multiply these two numbers (20 x 26 = 520).
To this we add our distance number squared (3 x 3 = 9). So we add 9 to 520...our answer is 529.
Love the math!
The old math is dead! Long live the math!

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How Many Faces, Edges And Vertices Does A Cube Have?
Here we’ll look at how to work out the faces, edges and vertices of a cube.
We’ll start by counting the faces, these are the flat surfaces that make the cube. A cube has 6 faces altogether - all square in shape.
Next we’ll work out how many edges the cube has, which are where two faces meet. A cube has 12 edges.
Next we’ll count the corners of the cube (the corners). Do that and you'll get 8.

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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Adding large numbers in your head? No problem - just go left to right using this easy math trick!
Youtube and tecmath has your back - with this, the easiest addition trick ever!
How to instantly add large sets of three digit numbers mentally.
Using this mental math method you will be able to add any number of three digit numbers with each other - faster than a calculator! Become a math genius in no time using this trick!

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Ratios are used to compare different quantities. In this introduction to ratios we will look at what ratios are, how we deal with ratios of different measurement units and that ratios can be simplified.

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This trick for multiplication is awesome! Multiply numbers near 100 in under 5 seconds. Remember - you don't need a clickbait title to view this - you are far far better than that! Five minutes - you havre another multiplication math trick up your sleeve!

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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Pete the Cat: Five Little Pumpkins
by James Dean
Read by Let's Read Stories

Bestselling author and artist James Dean brings us a groovy rendition of the classic favorite children’s song “Five Little Pumpkins,” sung by cool cat Pete and perfect for Halloween.

Pete the Cat: Five Little Pumpkins is in a sturdy paper-over-board format and filled with vibrant, engaging illustrations for even the youngest of Pete fans.

Young Halloween fans will enjoy chanting along with Pete:

Five little pumpkins

Sitting on a gate. The first one said,

"Oh my, it’s getting late."

Click here to purchase Pete the Cat: Five Little Pumpkins: https://www.amazon.com/Pete-Ca....t-Five-Little-Pumpki

Pete the Cat: Meet Pete
by James Dean
Read by Let’s Read Stories

A fun new format for the youngest Pete the Cat fans: a tabbed board book!
New York Times bestselling author and artist James Dean brings us a brand-new fun format featuring everyone’s favorite groovy cat, Pete the Cat!

With 8 colorful tabs, this sturdy board book will introduce the littlest Pete the Cat fans to Pete and his super-cool group of friends, including Callie, Grumpy Toad, Gus, and more. This fun new format is perfect for even the tiniest paws!

Click here to purchase Pete the Cat: Meet Pete: https://www.amazon.com/Pete-Ca....t-Meet-James-Dean/dp