Question

Find 8 *397 show your work ,explain why this strategy works best with the factors ?

Answer 1

You could break 397 down into 300+90+7, then multiply each of those numbers by 8. Add the final numbers you get from each problem, and your answer should be 3176.

Answer 2

Do 8 * 400 = 3,200
Then do  3,200 - 24 = 3,176