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Math Tip For Classes 4 To 6

BilvaaGuru Learning
09/08/2017 0 0
  • I have seen students who came for coaching, to multiple two numbers like :

  • 17345 x 200

  • Keep writing two lines of zeros and adding.

  • This is very tedious and unnecessary as there is shorter method. Just multiply 17345 by 2 and put two zeros at the right of the result that you get :

  • 17345 x 2 = 34680.

  • Therefore 17345 x 200 = 3468000 Simple!

  • This works for any number of zeros and also works for both numbers.

  • For example : 2300 x 8000.

  • Will be 23 x 8 = 184 followed by 00 plus 000 (the number of zeros at the end both numbers are placed at the end) = 18400000.

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