Multiplication flash cards for factors 1-15, squares, and cubes. Factors 1-15 X 1-15, squares, or cubes are on one side of the document while the answer is found on the back.This is a pdf file to be printed back-to-back. Once printed the cards will be close to 2" X 3" in size. There are two printing versions available to choose from within the document. This will help accommodate how your printer prints back-to-back. Version 1 has all of the sheets orientated the same direction, while version 2