تازہ ترین ویڈیوز
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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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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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Rule of 72. This method lets you compound interest calculations in your head to find an the time taken for an investment to double. 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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Checkout geeklyEDU at https://www.youtube.com/c/GeeklyEDU/featured
This long division trick is a simple as connecting the dots, and it's as quick as a flash.
Math is math with tecmath math!
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Prime factorization and factor trees.
Every composite number can be written as a product of powers of prime numbers.
A factor tree shows the prime factors of a composite number.
For the playlist of indicies and prime numbers.
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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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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mm to m! m to km! Easy done.
ml to l! Basic!
mg to g! g to kg! Simple.
Converting measurements in the metric system such as distance, volume or weight is easy. This lesson'll sort it out for you!
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How do you put fractions on a number line? This allows you to compare equivalent fractions, and understand what the parts of a fraction mean. To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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Multiplying Fractions is simple. .
This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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Use this method to solve algebra equations where you have variables on each side of the equation!
Solve algebra equations instantly - OK, maybe in about 10 seconds! This fast math trick for instant calculation will have you correctly answering algebraic equations with pronumerals on both sides - even beginners! 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 is the third example in a series looking at how to solve simultaneous equations using the elimination method.
For more examples of how to solve simultaneous equations using the elimination method go here: https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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Tree diagrams are used help work out outcomes when doing probability calcuations.
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Adding Fractions with a Different Denominator
Subtracting Fractions with a Different Denominator
This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
To support tecmath making new math videos on Patreon:
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#fractions
#fraction
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How to solve Simultaneous Equations using elimination.
In this educational math lesson we'll discover the basics of angles, parallel lines and perpendicular lines. We'll look at the different types of angles that can be formed by intersecting lines and all that fun stuff.
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Probability Trees are a great way of organising your ideas when solving probability problems in math - allowing you to easily work out different results possible as well as actual probabilities.
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This trick solves simultaneous equations fast, without all the multiplying of equations usually used.
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How to work out the area of a circle.
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Decimal playlist...click here!
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
Dividing decimals is easy, just divide like usual - and work out the number of decimal places as follows:
The number of decimal places in the answer = number of decimal places in the item being divided - number of decimal places in the dividing number....
e.g. 123.963 (3) / 0.3 (1) = 413.21 (3 - 1 = 2) where decimal places are shown in brackets.
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This trick allows you to work out the cube root of any number fairly quickly, - and what's more it is easy to learn and remember!
You'll be doing vube roots in your hear - faster than a calcuator.
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