Videos uploaded by user “tecmath”

Percentages can be done mentally as quickly as you can work out basic multiplication.
Use this trick to work out percentages instantly.

Views: 1630623
tecmath

How to multiply 2 digit numbers numbers up to 100 - calculating the fast way!
Using this method you will be able to multiply any pair of two digit numbers with each other - faster than a calculator! Become a math genius in no time at all using vedic math!
To see how to multiply 2 and 3 digits using a variation of this trick follow this link: https://www.youtube.com/watch?v=lvnSTezEvME

Views: 6299174
tecmath

This amazing multiplication trick possible has it's origins in Japan -although I have heard arguements it is a Vedic math trick.
Either way - this trick allows you to multiply two numbers quickly and accurately, using a handy visual method - lines.
This method does not use any multiplication tables, making it accessible to all learners.
Part 2 of this video (how to multiply using lines with fives and zeros) is here:
https://www.youtube.com/watch?v=kSUwRjy0rYI&list=PLjbxBzUM6SLkk-Pm6oDtvJc-lsM-xli_1&index=10
Arithmetic made simple!
See more great math tricks here: https://www.youtube.com/user/tecmath

Views: 2342984
tecmath

Forget finding common denominators when adding dissimilar fractions - this way is much faster and easier. This video also looks at how to deal with mixed numbers and simplification.

Views: 4098965
tecmath

Dividing fractions quickly is easy with the butterfly math trick!

Views: 60408
tecmath

Multiply any number by eleven instantly using this math trick. This trick is also easily done mentally.
To multiply you just write down the number of the right, then start adding neighbouring digits, and pretty soon you have your answer!
This video will make you a master of this math technique in no time at all!

Views: 142792
tecmath

The easy way how to multiply numbers under twenty - faster than a calculator!
Become a math genius the smart way - using vedic math - not the way you've been taught!

Views: 296945
tecmath

Ratios, rates, percentages, currency conversion, speed...all easy and accurately done.

Views: 81683
tecmath

The greatest common factor (also called the highest common factor) is the highest number that divides exactly into two numbers.
Forget factor trees - this method is faster and neater, and gives you a better change of success!
Another tecmath math lesson brought to you by tecmath the math mad math man!

Views: 50133
tecmath

Finding the square root is easy for any perfect square under 100! You'll be able to calculate squares faster than ever and amaze everyone with your utter genius!
To find the square root of non perfect squares follow this link: https://www.youtube.com/watch?v=PJHtqMjrStk

Views: 6655834
tecmath

Quadratic equations can be factorised rapidly with this cool fast math trick. Algebra made easy.

Views: 91352
tecmath

The twelve times table trick fast and easy to apply - and it will leave you able to multiply any number by twelve rapidly!
It is similar to an eleven times table trick we have looked at earlier - https://www.youtube.com/watch?v=_HrHUUWtsbE
Just follow these simple rules - for the number being multiplied, double each number in turn and add its neighbour (to the right). Some carrying may be involved but it is easy to handle. This math trick will amaze you!
When you try these out for yourself, write the figures spaced apart, and as you go through answering the question place each part of the answer directly below the digit the answer was derived from. This will help you avoid errors when getting the answer.
In this particualr case of multiplication it is important because you need to easily be able to identify the 'number' and the 'neighbour'.
This method works for all multiplication of twelve. It is not meant as a substitute for knowing your times table, rather, it is meant to allow you to expand your mathematical capabilities and to recognise patterns.

Views: 36747
tecmath

Solve linear algebra equations with variables on both sides easily with no problems (Ok we all make mistakes!) This fast math tutorial for rapid calculation will have you correctly solving linear equations with variables on both sides....even if you've never seen them before!

Views: 917054
tecmath

This math trick allows you to work out the square root of any number - NOT JUST PERFECT SQUARES - instantly. With decimals. With ease. Can you work faster than a calculator? With this tecmath trick you just might! The math shortcut magic is back!

Views: 2486886
tecmath

Medication Calculations for nurses and all medical types.....in this video we look at concentration percentages.

Views: 25268
tecmath

Adding Fractions with different denominators can be done mentally both accurately and rapidly using this cool math trick. Become a genius in no time!

Views: 99079
tecmath

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/playlist?list=PLjbxBzUM6SLlCAbXitLr5O6Kurh69O2k9

Views: 18736
tecmath

Percentages can be done mentally both accurately and rapidly using this trick. Percentages made easy with the cool math trick!

Views: 828137
tecmath

Easy Math Trick. This math trick uses binary math, and will have you multiplying like a computer, without the need for multiplication tables.

Views: 39752
tecmath

This fast math trick can be used to mentally work out the main basic trigonometric ratios instantly! With this fast mental math technique you can work out the sin, the cos, and even the tan of the most common angles in no time at all! Become the trigonometry master!

Views: 2347491
tecmath

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.

Views: 208978
tecmath

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.

Views: 13255
tecmath

Trigonometry is an easy way to work out the unknown sides and angles of a right angled triangle. The trick - know the side names - the opposite, hypotenuse, and adjacent, and know how and when to apply the trigonomic functions - sin, cos and tan. this is the only trick to getting it right every time!
In this lesson, students learn work out unknown angles using use sine, cosine, and tangent. You will need a scientific calculator for the problems in this lesson - and I'll show you how to access one on your computer.

Views: 43220
tecmath

The Order of operations is the order in which you should do a maths equations. You've probably heard it called BODMAS or PEDMAS...even BIDMAS or PIDMAS....it's all the same thing!
First do anything in brackets (also called parenthesis). Second, do any orders (these are squared, cubed, square root and the like). Any multiplication or divide come next, and finally do any addition or subtraction...left to right.

Views: 66956
tecmath

How to work out medication dosages. This part of a series looking at math calculations used by nurses.
To do IV calculations go here: https://www.youtube.com/watch?v=Dezgx_WWEdI

Views: 629670
tecmath

How to multiply numbers numbers calculating the fast way! Using this method you will be able to multiply any pair of two and three digit numbers with each other quickly and accurately! Become a math genius in no time at all using vedic math!

Views: 1078355
tecmath

This mental multiplication trick uses the idea of a third number - a base number - to help us multiply two numbers in your head. This series of videos first looks at multiplying numbers near 10 using base 10. The second video looks at multiplying using base 20 and 30. The third video looks at how to apply this mental multiplication trick to numbers near 50. The forth video the investigates ho to easilt mentally multiply numbers near to 100. Continue your mental math multiplication abilties here!

Views: 2527914
tecmath

This math multiplication trick is easy to do, and can be used to directly multiply large numbers! Math is easy with the tecmath math method of multiplication (say that five times fast!)

Views: 137675
tecmath

This video shows how the distance between two points can be found, by using a version of the distance formula that is easier to understand. The added benifit - you're more likely to remember it!

Views: 22463
tecmath

Calculate the cube root of any perfect cube whose cube root falls between 1 and 100, in 2 seconds using vedic maths. This cube root trick makes math easy!

Views: 695289
tecmath

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.

Views: 50430
tecmath

With this mental math trick you will be able to multiply these numbers in your head rapidly - a critical skill in everyday math. In this video we look at tips on how to do multiplication instantly without using a calculator. Fast math is good math!

Views: 39894
tecmath

Combinations are easy to work out and understand using the right method. Combinations differ from permutations in that with combinations order does not matter....so take this into account and the answer is easy.
Part of the permutations and combinations playlist: https://www.youtube.com/playlist?list=PLjbxBzUM6SLnfCY-opFl5WOdRLVzNwyoI

Views: 42712
tecmath

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!

Views: 1600298
tecmath

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.

Views: 512431
tecmath

This mental multiplication trick uses the idea of a third number - a base number - to help us multiply two numbers in your head. This series of videos first looks at multiplying numbers near 10 using base 10. The second video looks at multiplying using base 20 and 30. The third video looks at how to apply this mental multiplication trick to numbers near 50. The forth video the investigates ho to easilt mentally multiply numbers near to 100. Continue your mental math multiplication abilties here!

Views: 609147
tecmath

To learn the times tables use your hands as well as your head! Multiplication had never been so easy using this easy trick - including some of the six, seven, eight, nine and ten times table.

Views: 2210186
tecmath

Trigonometry is an easy way to work out the unknown sides and angles of a right angled triangle. The trick - know the side names - the opposite, hypotenuse, and adjacent, and know how and when to apply the trigonomic functions - sin, cos and tan. This is the only trick to getting it right every time!
In this lesson, students learn work out unknown side lengths using use sine, cosine, and tangent. You will need a scientific calculator for the problems in this lesson - and I'll show you how to access one on your computer.

Views: 276289
tecmath

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!

Views: 578730
tecmath

Rule of 72. This method lets you compound interest calculations in your head to find an the time taken for an investment to double.

Views: 19300
tecmath

This trick shows how to learn all of your multipication tables in minutes. Through the use of basic addition and basic multiplication (twos, threes) learn all your times tables up to tens!

Views: 252465
tecmath

In this video we look at how to multiply any two digit number by eleven instantly - much faster than any calculator! Multiplication has never been so fast and easy with this Vedic Maths Trick! Fast Mental Math Tricks and times tables - you've got to love them!

Views: 319775
tecmath

This cool math trick for multiplication is amazing - you will be solving math with no problem! Multiply numbers instantly without hesitation and amaze everyone with your genius! Become the lord of mathematics!

Views: 1275908
tecmath

To work out the fraction of an amount, first of all it is essential to convert the fraction to a decimal.
To do this divide the numerator (top number) by the denominator (bottom number). eg - 1/5 = 0.2 Then times this answer by the amount you wish to find a fraction of.
e.g 1/5 of 20 = 0.2 x 20 = 4
To work out the percentage of an amount, it is also essential to first convert the percentage to a decimal.
To do this move the decimal place left two spaces - eg - 25% = 0.25 Then times this answer by the amount you wish to find apercentage of.
e.g 25% of 20 = 0.25 x 20 = 5.

Views: 19528
tecmath

This maths trick for fast multiplication allows you multiply any two numbers quickly, using vedic math. This method is a great alternative either for those who need that extra bit of help with math, or people who like to expand their knowledge.
This trick is especially useful in multiplying large numbers, with less mess and confusion than standard long multiplication.

Views: 449282
tecmath

Solve algebra equations easily with no problem - OK, maybe in about 7 seconds! This fast math trick for instant calculation will have you correctly answering algebraic equations - even beginners!

Views: 1934890
tecmath

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!

Views: 109871
tecmath

Fractions made easy - adding three fractions fast

Views: 285580
tecmath

Calculate faster than the calculator. This cool math trick takes 2 minutes to learn and can be used for instant results!

Views: 138508
tecmath

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After the good princess had breathed her last and had been honorably buried, Tebaldo indulged in the thought of wedding again, but he bore well in mind the promise he had made to his wife, and was firmly resolved to keep her saying. However, the report that Tebaldo, Prince of Salerno, was seeking another mate soon got noised abroad, and came to the ears of many maidens who, in worth and in estate, were no whit his inferiors; but Tebaldo, whose first care was to fulfil the wishes of his wife who was dead, made it a condition that any damsel who might be offered to him in marriage should first try on her finger his wifes ring, to see whether it fitted, and not having found one who fulfilled this condition -- the ring being always found too big for this and too small for that -- he was forced to dismiss them all without further parley. Now it happened one day that the daughter of Tebaldo, whose name was Doralice, sat at table with her father; and she, having espied her mothers ring lying on the board, slipped it on her finger and cried out, "See my father, how well my mothers ring fits me!" And the prince, when he saw what she had done, assented. But not long after this the soul of Tebaldo was assailed by a strange and diabolical temptation to take to wife his daughter Doralice, and for many days he lived tossed about between yea and nay. At last, overcome by the strength of this devilish intent, and fired by the beauty of the maiden, he one day called her to him and said, "Doralice, my daughter, while your mother was yet alive, but fast nearing the end of her days, she besought me never to take to wife any woman whose finger would not fit the ring she herself always wore in her lifetime, and I swore by my head that I would observe this last request of hers. Wherefore, when I felt the time was come for me to wed anew, I made trial of many maidens, but not one could I find who could wear your mothers ring, except yourself. Therefore I have decided to take you for my wife, for thus I shall satisfy my own desire without violating the promise I made to your mother." Doralice, who was as pure as she was beautiful, when she listened to the evil designs of her wicked father, was deeply troubled in her heart; but, taking heed of his vile and abominable lust, and fearing the effects of his rage, she made no answer and went out of his presence with an untroubled face. As there was no one whom she could trust so well as her old nurse, she repaired to her at once as the surest bulwark of her safety, to take counsel as to what she should do. The nurse, when she had heard the story of the execrable lust of this wicked father, spake words of comfort to Doralice, for she knew well the constancy and steadfast nature of the girl, and that she would be ready to endure any torment rather than accede to her fathers desire, and promised to aid her in keeping her virginity unsullied by such terrible disgrace.