Solve using shortcut methods in Addition with Examples of number 9-Mental Math
Our Divisibility rules for 1 to 20 is big hit, now it is turn to learn quick addition method. You should teach your elementary child to do quick addition with this simple step by step method. This addition and subtraction will help him/her in mental math tricks too and it will be easy to solve any maths problems regarding addition and subtraction.
Examples of adding numbers which ends with 9 and 8: