Shree Ganeshay Namah Good morning friends ... Today I start my blog where I represent some maths tricks for you. Now I am starting my first trick 1. Condition : This trick is used when we multiply quickly two numbers near a power of 10. Example. 113 × 112 , 91 × 87 ,1005 × 1011 , 109 × 96 Illustration 1 : 107 × 109 Numbers Base Difference 107 100 +7 × 109 100 +9 Solution: 1st part / 2nd part (2 digits) (Number of digits in the 2nd part =Number of 0s in the base) step 1→107+9 or 109+7 / 7 × 9 step 2→116 / 63 Answer is 11663 Illustration 2 : 112 × 109 Numbers Base Difference 112 100 +12 × 109 100 +9 Solution: 1st part / 2nd part (2 digits) (Number of digits in the 2nd part =Number of 0s in the base) s