Cool Math Tricks Pick A Number

Think of a number below 10.

What is math history. Number below 10 step1. Divide their current number by the original number then subtract 7 from the answer. Lets pick a number say 347.

You can give someone a particular set of instructions and calculations and their current age can be deduced. All you have to do is put a zero at the end of the number you get 3470. Tell your partner to multiply their number by 2 then multiply the new number by 5.

Finish by guessing the answer which should always be 3. You can play these tricks as instructed with your parents or friends and prove your talent to them. Understand the math behind this trick.

Place 2 in front of the 6 digit number to make it a 7 digit number. Subtract 2 from the 7 digit number. So placing a 2 in front makes it.

Multiply it by 7 11 and 13. You can pick any number divisible by 2 to be added. The final answer will always be the number you asked them to add in step 3 divided by 2.

This trick works with any number but keeping it between 1 and 20 makes it less likely that your friend will make a mistake. Follow the simple steps below for an easy way to add 1999998 to any 6 digit number. Well go through an example where your friend secretly picks the number 4.

Here we have mentioned few math trick play. What we basically do is multiply the number by ten and subtract it once to multiply it by 9. The secret lies in step 3 where you ask them to add a number.

If you have any tricks up your own sleeve please share. You can see why this trick works by using a little bit of high school algebra. 371371 gives you 371 or 552552 gives you 552.

A related trick is to take any three digit number. Double the number you have thought. To them it appears as though you are performing a magic trick but all you need to know are the instructions.

She should pick this secretly and keep the piece of paper. Here are some cool calculator tricks you can use to find someones phone number guess their age and astound them with your math wizardry. Trick 3 multiply by 9 fast.

There are lots of number tricks you can do by using math. Now subtract the original number from this number. The answer is the three digit number.

Clearly no matter what you start with the answer should come out the same zero isnt allowed. This trick is extremely simple in that you have total control on the outcome. If you follow the instructions starting with the variable x instead of an actual number you will see that x is eliminated by adding the examples number 17 see below.

Ask your friend to write down a number between 1 and 20. The result will be a six digit number that repeats the three digit number. Add 6 with the getting result.