How To Multiply Large Numbers In Your Head WITHOUT Calculator.
Multiplying large numbers in your head is far from easy.
However, we have all seen geniuses on TV who do incredible calculations without a calculator.
How do they do ? How to mentally calculate a multiplication?
Want to know their secret? They know mnemonic tricks to multiply large numbers.
Today we are revealing to you their secrets for multiplying large numbers:
How to do
Example n ° 1:
97 multiplied by 96.
To. I subtract 97 and 96 from 100:
100 - 97 = 3
100 - 96 = 4
b. I add these 2 results:
3 + 4 = 7
vs. I subtract 7 from 100 to get the first two digits of the final result:
100 - 7 = 93
d. I multiply the two results from step # 1 to get the last two digits of the final result:
3 x 4: 12
e. The end result is 9312
Example n ° 2:
85 multiplied by 87.
To multiply these 2 large numbers without a calculator, here's how to do it using the same method:
15x13 = 195
100-(15+13)=72.
Add the 1 of 195 to the 2 of 72 which makes 7395.
Results
And there you have it, the multiplication of large numbers has no secrets for you :-)
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Also to discover:
Rule of Three: One Site to Calculate It in 10 Seconds!
The Revolutionary Tip For Learning ALL Multiplication Tables.
