What is the 1089 math trick?

Write down a three-digit number whose digits are decreasing. Then reverse the digits to create a new number, and subtract this number from the original number. With the resulting number, add it to the reverse of itself. The number you will get is 1089!

How can you tell your brain faster?

Vedic Maths Trics for Fast Calculation

1. Squaring Of A Number Whose Unit Digit Is 5.
2. Multiply a Number By 5.
3. Subtraction From 1000, 10000, 100000.
4. Multiplication Of Any 2-digit Numbers (11 – 19)
5. Dividing A Large Number By 5.
6. Multiply Any Two-digit Number By 11.
7. Multiplication Of Any 3-digit Numbers.
8. Find The Square Value.

What is the easiest way to learn 2 to 20 tables?

Two digit number x Two digit number

1. Step 1 : First take one of the two digit numbers and multiply it by 10.
2. Step 2 : Multiply the unit digit of other two digit number by 10.
3. Step 3 : Multiply unit digits of both the numbers.
4. Step 4 : Add all the above three values and you will get answer. That’s it.

Why is 6174 a magic number?

6174 is known as Kaprekar’s constant after the Indian mathematician D. R. Kaprekar. This number is notable for the following rule: Arrange the digits in descending and then in ascending order to get two four-digit numbers, adding leading zeros if necessary.

How do you mentally quickly multiply?

Here’s the trick: Any time you square a two-digit number that ends in 5, the last digits of the answer will be 25 and the digits before that are given by multiplying the first digit of the number by the number that’s one greater.

What are some cool math tricks to impress your friends?

Multiply it by 7, 11, and 13.The result will be a six digit number that repeats the three-digit number. For example: 456 becomes 456456. These cool Math Tricks will not only help you to impress your friends, but will also boost your calculation skills and help you to comprehend the hard-to-grasp concepts.

What’s the best way to do a math trick?

Step 1: Choose a three-digit number with the same digits. Let’s go with 333. Step 2: Add the digits together. So, 3 + 3 + 3 = 9. Step 3: Divide the original number with this sum. So, 333 / 9 = 37. Step 4: This works every single time. Trick 2: Amazing magic of number 1089!

Are there any math tricks that will blow your mind?

10 Math Tricks That Will Blow Your Mind 01. If you multiply 6 by an even number, the answer will end with the same digit. The number in the ten’s place will be… 02. Think of a number. Multiply it by 3. Divide this number by 3. Subtract the number from Step 1 from the answer in… 03. Think of any

How to make your friends fall in love with math?

Here is a collection of 10 Math tricks you can learn to trick your friends and make yourself fall in love with the subject of numbers. Step 1: Choose a three-digit number with the same digits. Let’s go with 333. Step 2: Add the digits together. So, 3 + 3 + 3 = 9.