ফিল্ম এবং অ্যানিমেশন
Work out the area of a circle by using pi (3.1415) and the radius (half the width or diameter of the circle) - so that Area - Pi x radius x radius.
We then work out perimeter of circles using pi and radius - so that circumference = 2 x Pi x radius.
Finaly we look at the volume of cylinders - which is the area of the circle x the height (or Pi x Radius x Radius x height).
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This math problem looks simple, but it might have you spinning in circles! M Can you solve it?
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#mathproblems
#mathriddles
#mathsforfun
This trick is a great one.
It uses an amalgamation of other mental math techniques - and will have you smashing those calculations.
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 49 x 40 instantly
https://youtu.be/yZULgerBRms
The rest are links where I beg for money.
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Casting out nines is a fast and easy method of making sure your math multiplication calculations are correct. This trick involves adding the digits of each number and reducing each to a single digit, then comparing the end result with the answer. 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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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! In addition, we'll look why this trick works, as well as tips to do it mentally. To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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Calculating the tip is not hard. Just use these basic mental percentage strategies and you'll be all good.
And yes. We generally don't tip in Australia! But in some countries it's how wages are paid - and I reckon if that's the case you've gotta pay people fairly for thier job!
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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. This cool math trick will have you adding fractions like a genius!
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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!
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This math lesson looks at pythagorean math - how to work out the unknown sides of right angles triangle. The 3,4,5 triangle will also be explored. Become a math genius! 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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Sequences and series...what are the next numbers in the following pattern?
You'll be fine. Just follow these tips and tricks.
mm, cm, m, km. How to convert between these!
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Learn what is meant by a composite shape and how to find its area.
See how good you are with area of composite shapes - working out the amount of chipboard required for a floor; then working out how many bricks are required for a wall. Thrilling stuff. 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 work out percentages of a number.
In this video we look at the standard way of finding the percent of a number though changing the percentage amount to a fraction out of 100 (this is what a percent really is!), then using the standard formula to find our answer. 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 easy visual proof shows that the area of a circle is πr2.
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This multiplication trick seems to have it's origins all over!
It's a great trick which uses groupings of numbers and can be used for any numbers!
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#mathtrick
#mathstrick
#multiplicationtrick
In the movie Good Will Hunting the MIT Math Professor sets his students a challenge...that took them two years to solve.
Can you solve it? There is a good chance you can!
BTW want to be a true math genius?
Math geniuses always write on glass.
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This trick is for squaring mixed numbers like the one you see in the thumbnail!
Did your teacher teach it to you?
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How to work out body surface area, and dosages based on this for pediatrics. 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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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! 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 work out the area of a triangle with three examples. This lesson also looks at the units used such as square metres and square centimetres.
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