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how to do math problems in your head. Keep breaking it down. I do remember one of my Algebra teachers performing amazing calculations in his head and it always amazed meBut now I know his secrets.
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Subtract without borrowing digits. Mental math arithmetics math games math training remedial math practices. Turns out there are so many different ways to solve simple math problems in your head.
Repeat the process for larger numbers.
If were instead trying to solve 44 x 99 the trick is to recognize that this is the same as 44 x 100 - 1 44 x 100 - 44. If the middle number results in a two-digit number add the first number to the beginning of the equation and leave the second number in the middle. X of Y Y of X. Subtract 14 from 35 to get 21 which is divisible by 7 and we can now say that 357 is divisible by 7.
