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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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Invest in yourself! Use my link and check out the first chapter of any course for FREE! https://bit.ly/2LNGEQ4
This video was sponsored by DataCamp.
Autobiographical Numbers - the numbers that describe themselves.
Five digit example 21,200
The first digit describes how many zeros are in the number.
The second digit, how many ones there are in the number.
The third digit, how many twos there are, and so on...
Can you work out the only ten digit autobiographical number?
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It is easy to convert work out the area of rectangles and triangles. Just follow the steps in another fascinating 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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More quadratic eqautions through completing the square.
Need the first video? https://www.youtube.com/watch?v=d2LMCiIGnXA
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This math problem went viral after being posted in 2020.
Celeste Ng tweeted 'At dinner, nine year old made up a math problem and made his father and me solve it. Our attempt at simultaneous equations got really complicated. We figured it out via guess and check, but I still think there has to be a more elegant way.'
Can you solve the nine year old math problem using both guess and check and the elegant way - using algebra?
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Factor trees can be used to work out the Greatest Common Factor - which is also called the greatest common divisor, or the highest common factor.
For the playlist of indicies and prime numbers.
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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The trick to getting the right answer with volume calculations every time. Be a math genius with mental math. 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 are your adding fraction skills? Can you win this challenge?
This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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#fractions
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Ratios are said to be in proportion if they equal. This video looks at how to simply see if two ratios are in proportion - that is whether they are equivalent. We then look at how to easily find out how much of a quantity is required to keep something in proportion. To support free math on Patreon (thank you): https://www.patreon.com/tecmath
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Ratios, rates, percentages, currency conversion, speed...all easy and accurately done.
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we are geelong the greatest team of all
we are geelong we're always on the ball 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 amazing math trick can be used to multiply two digit numbers instantly.
It is important to remember that for this particular multiplcation trick that it is just that - it is very specific and has a few conditions which must be met in order for it to work. First the first numbers must add up to ten, and secondly the last numbers must be the same....so very limited, but cool nonetheless!
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This is the fastest way to convert kilograms (kg) to pounds (lb), and then in trun to convert pounds to kilograms.
In this video we will look at how many pounds in a kilogram, and using this idea we will use a fast math trick to convert between the two.
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#convertingmeasurements
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This problem solving question involves rectangles, rectangles, rectangles...so you should find it easy...maybe? To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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Converting between mixed numbers and improper fractions is really 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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Multiplying Fractions is easy - just multiply the denominator by the demoninator and the numerator by the numerator. Still too hard? Watch this video and learn how to multiply fractions easily.
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In this lesson, you will learn to multiply fractions quickly and easily.
To multiply fractions you multiply across the numerators (the top number of a fraction) and multiply across the denominators (the bottom number).
An example I always use to start this off is multiply 1/2 with a 1/2. The numerators multiply to give 1 (1 x1), the denominators multiply to give 4 (2x2). Hence a 1/2 multiplied by a 1/2 is 1/4.
What about if you multiply 2/3x1/4?
Top number (2x1), bottom number (3x4).
So 2/3x1/4 = 2/12. 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 looks at how to do simple addition in maths.
No tricks, no fuss.
This is one of the most basic things in maths - yet as a senior level maths teacher I am astounded how many people lack this ability - and as such they struggle throughout their school years at maths.
Addition, subtraction, division and multiplication - these are the most important thing anyone should know in maths , yet a large number of people who still are yet to attain this skill!
Practice this 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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