Math
multiplication and division 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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It is easy to convert metric lengths - from kilometres to metres to centimtres to millimetres. Learn how to do this instantly. 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 shows how to work out the area of composite rectangular shapes. Hooray! 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 to square any numbers in your head - fast mental math trick here: https://www.youtube.com/watch?v=GEuyDHMG0jY
There is barely any calculation needed to mentally find the square a number that ends in five. How fast? The square of 45 is 1225; The square of 85 is 7225; the square of 115 is 12125; the square of 1095 is 1188125....as fast as I can type them I answer them!
The trick is this to faster squaring....
Say we have 65 squared. Get the number that is not 5 ( that is 6) and multiply it by the next number after it (7). Then just write 25 on the end.
So 6 x 7 = 42, our answer is 4225. Really. Simple 'eh?
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These probability tricks will help you easily and quickly sort out those more difficult probability questions in no time. Through the use of the combination formula (which I'll briefly explain) you'll smash those probability questions fast!
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Adding decimals is easy - just make sure all of the place values (especially the decimal place) line up. Through the information in this math lesson, and practice you will soon be adding decimals easily.
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In the video lesson, you will learn how to convert a number from standard notation to scientific notation by moving the decimal place. By doing this really big numbers and really small numbers can be easily described.
e.g to write 470,000 in scientific notation, write the number 4.7, (so that there is only one digit to the left of the decimal point), then count the number of places that the decimal point must be moved to get back to 470000 ( in this case is 5). If the number is big it is a positive exponent (like this one - which we'd write as 4.7 x 10^5).
A little number - like 0.0000033 gives a negative exponent (in this case 3.3 x 10^-6).
Good luck! 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 problem was making the rounds on Facebook. Can you solve it? To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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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!
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Lattice multiplication is a multiplication method that allows you multiply any two numbers quickly using a table.
It is especially useful in multiplying large numbers, with less mess and confusion than standard long multiplication.
This method has many names - Lattice multiplication, gelosia multiplication, the Hindu lattice, sieve multiplication as well as Venetian squares.
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It is easy to convert work out perimeter - it is the distance measurement around the outside of a shape. 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 math problem can be solved using logic - not just blind guessing!
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For the playlist of math problems:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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How to convert between binary and decimal 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 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.
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Want to give Wipebook Flipchart a try: check out https://www.wipebook.com/tecmath for up to 30% off your first purchase FOR A LIMITED TIME ONLY!
(Note: Wipebook are a Canadian Company - for customers outside Canada select wipebook.com
Can you solve this problem?
It's a little deceptive - and I reckon you're doomed!
And yes - there is old tecmath Josh's face using the Wipebook Flipchart - and yes - I loved this product! Great for math on the go!
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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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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.
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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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