The set consists of 50 flash cards showing products of one-digit numbers. A product is written out horizontally on each side of each card. The sides are numbered from 1 to 50 on one side and from 50 ...

A. My answer might be boring, but never underestimate good, old-fashioned flash cards. I would not use another app if you are finding this is not the route to help your child with what we call ...