Well, you already have some of this already. If you can read, then you learned how to add, subtract, multiply and divide
But this was only in a crude fashion. Now, you will come upon more advanced things like multiplication tables,long division; which is to give you insight into the proces of division of numbers bigger than 9, fractions and decimals.
So, let's get a head start on those.
WORDS HISTORY MULTIPLICATION TABLE interactive example LONG DIVISION FRACTIONS DECIMALS PERCENTS |