Rapid Math Tricks & Tips description

This Application Demonstrates a slew of time-saving tips and tricks for performing common math calculations. Contains sample for each trick, leading the reader through step-by-step.

These simple math secrets and tricks will forever change how you look at the world of numbers. Get ready to amaze your friends - and yourself - with incredible calculations you never thought you could master.

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This Application Shows you how to master difficult problems in addition, subtraction, multiplication, and division quickly, easily and without a calculator. And have fun while doing it!

Features:

1. 675+ Rapid Math Tricks and Tips.
2. Math Tricks and Tips has been categories in Section for ease of use.
3. Step-by-step examples to explain each technique.
4. The application allows the user to Share Quotes with other peoples and friends using Facebook, email, SMS, twitter etc.

Categories :

Application Cover Math Tricks and Tips from Following 8 broad Categories.

1. Divisibility Rules for numbers 3-13
2. Multiplication Tips
3. Finding Percentages
4. Squaring Numbers
5. Multiplying Numbers
6. Dividing Numbers
7. Adding Numbers
8. Subtracting Numbers

SAMPLE Math Tricks

Dividing by 9

Answer: Add the digits. If that sum is divisible by nine, then the original number is as well.



Q.) Multiplying by nine

Answer

Diana Grinwis says: To multiply by nine on your fingers, hold up ten fingers - if the problem is 9 × 8 you just put down your 8 finger and there's your answer: 72. (If the problem is 9 × 7 just put down your 7 finger: 63.)

Tamzo explains this a little differently:

Take the number you are multiplying 9 by and subtract one. That number is the first number in the solution.

Then subtract that number from nine. That number is the second number of the solution.

Examples: 4 * 9 = 36 4-1=3
9-3=6
solution = 36

8 * 9 = 72
8-1=7
9-7=2
solution = 72
5 * 9 = 45
5-1=4
9-4=5
solution = 45
Sergey writes in: Take the one-digit number you are multipling by nine, and insert a zero to its right. Then subtract the original number from it. For example: if the problem is 9 * 6, insert a zero to the right of the six, then subtract six:
9 * 6 = 60 - 6 = 54