Speaker: Addition is the process of adding 2 or more numbers or amounts together to get a total. If I start on the ground floor I've got to go up 9 floors to get to the top. That's 0 add 9, which ...

HOUSTON (KTRK) -- A mental math system developed in the 1800's is helping some local students ace standardized tests and win math competitions. But the method isn't taught in most Houston schools.

When learning to add fractions there’s a standard method they teach you in school: Make the denominator the same, and whatever you times the denominator by, also multiply the numerator by. You add the ...