One of my grade school teachers taught me a trick for 7x8. She would tell us to think of the grades one would have to pass before reaching the 7th and 8th grade

One of my grade school teachers taught me a trick for 7x8. She would tell us to think of the grades one would have to pass before reaching the 7th and 8th grades of school... 5th and 6th. Thus, I will always remember that 7x8=56.