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Tricks to master Math

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If you are bad at math, it’s not your fault entirely.

We were simply not taught in school as it should, because mathematical tricks with which any calculations become elementary are easier to remember.

Multiplication of large numbers in the mind, How to learn the multiplication table by 9, Butterfly method for adding and subtracting fractions, Multiplying numbers by 11 (using the example of 32), How to remember Pi, How to find the percentage of a number, How to find a fraction of an integer, Conversion of degrees Fahrenheit to degrees Celsius, Fast squaring, Multiplication by 5, Multiplication by 11, Multiplication by 4, Complex multiplication, Division by 5, Subtraction from 1000

Multiplication of large numbers in the mind

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How to learn multiplication table by 9

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Butterfly method for adding and subtracting fractions

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Multiplication of numbers by 11 (for example, the number 32)

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How to remember the number of pi

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How to find the percentage of the number

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How to find a fraction from an integer

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Conversion of degrees Fahrenheit to degrees Celsius

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Quick squaring

This technique will help to quickly square a two-digit number, which ends by 5. Multiply the first digit by itself + 1, and add 25 at the end. That's all!

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Multiplication by 5

Divide the number by 2. If the result is an integer, add a 0 at the end. If not, ignore the comma and add 5 at the end.

Умножение на 5 - Уловки чтобы овладеть Математикой

Multiplication by 11

Умножение на 11 - Уловки чтобы овладеть Математикой

Multiplication by 4

Умножение на 4 - Уловки чтобы овладеть Математикой

Tip counting

If you need to leave a 15% tip, there is an easy way to determine how much it is. Calculate 10% (divide the number by 10), and then add the resulting number to its half and get the answer.

Подсчет чаевых - Уловки чтобы овладеть Математикой

Complex multiplication

If you need to multiply large numbers, and one of them is even, you can simply regroup them to get the answer.

Сложное умножение - Уловки чтобы овладеть Математикой

Division by 5

In fact, it’s very easy to divide large numbers by 5. All you need is to simply multiply by 2 and move the comma.

Деление на 5 - Уловки чтобы овладеть Математикой

Subtract from 1000

To perform a subtraction from 1000, you can use this simple rule: subtract from 9 all digits except the last, and subtract the last digit from 10.

Вычитание из 1000 - Уловки чтобы овладеть Математикой