Nine Simple Math Tricks You’ll Wish You Had Always Known

By Editorial Staff in Facts On 23rd December 2016
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#1 Multiplying large numbers in your head

#2 Learning the nine times table

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#3 The butterfly method for adding and subtracting fractions

#4 Multiplying by 11 (example: 11×32)

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#5 Memorizing Pi

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#6 Multiplying by 6, 7, 8, and 9 using only your hands

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#7 Finding the percentage of a number

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#8 Finding a fraction of a whole number

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#9 Converting Celcius to Farenheit and vice versa