Mathematics Hacks

Useful Math Hacks Multiplying Large Numbers Mentally 97 X 96 = 93 12 100 - 7 4 = 7 + X - Multiplication by 11 Eg) 32 X 11 Step 1 Step 2 32 3 + 2 352 You can remember the value of 'Pi' by counting each word's letters in "May I have a large container of Coffee Nine Times Table 9 x 1 = 09 9 x 2 = 18 9 x 3 = 27 9 x 4 = 36 9 x 5 = 45 9 x 6 = 54 9 x 7 = 63 9 x 8 = 72 9 x 9 = 81 9 x10= 90 Left side runs from 0 to 9. Right side runs from 9 to 0. House Tutor - Home Tutor Singapore