Multiplying large numbers in your head
Learning the nine times table
The butterfly method for adding and subtracting fractions
Multiplying by 11 (example: 11×32)
Memorizing Pi
Finding the percentage of a number
Finding a fraction of a whole number
Converting Celcius to Farenheit and vice versa
Multiplying by 6, 7, 8, and 9 using only your hands
Post a Comment