Yeah the lattice method was pretty cool, I don't recall seeing that before. I can't see any value teaching this to a 3rd grader unless they're absolutely saili

Yeah the lattice method was pretty cool, I don't recall seeing that before. I can't see any value teaching this to a 3rd grader unless they're absolutely sailing along in math and curious to learn more. Even then, I'm not really sure of the point, how does it reveal anything about multiplication?