Mental Math Kids Can't Resist!: Tips, Short-cut... Guide

This is arguably the coolest-looking trick in mental math. It works for any two-digit number multiplied by 11.

Standard school math teaches kids to work right-to-left (ones, then tens). Mental math is much faster . The Trick: Add the "big" values first. Example: 64 + 28 Add the tens: Add the ones: Mental Math Kids Can't Resist!: Tips, Short-cut...

Take the first digit and multiply it by the "next" number up. 65 x 65 The end is 25 . The first digit is 6. The next number up is 7. Put them together: 4,225 . How to Make it "Irresistible" This is arguably the coolest-looking trick in mental math