Bryan Paul Sullo

Posts Tagged ‘math’

Multiplication without Memorization

In Uncategorized on 29 May 2015 at 10:43 am


Round about fourth grade, we were expected to learn the multiplication table—the big ten-by-ten grid of all the single-digit integers and their resulting products. Well, I never got the hang of it. Sure, I grasped the concept of multiplication, probably better than most of my classmates, but I couldn’t for the life of me remember that 7 x 8 = 56, or that 4 x 6 = 24, or any of the other, seemingly random facts.

To this day, I can’t remember most of the multiplication table. My brain doesn’t work that way. I have a hard time memorizing lists of meaningless things. What I can remember though are rules. Rules have meaning. They can be understood and reasoned out and then applied to a problem. I’d like to share my multiplication rules with the world. This may be completely useless in the computer age, but if I can help some struggling fourth-grader somewhere (or even a struggling adult) to overcome a problem that seems to be so simple for most, it will be worth it. Read the rest of this entry »