Don't be left with Forgetful Fred (the "Old Maid" of this card game). This printable card game is full of addition and subtraction facts (2 - 20). Students play just like Old Maid except they don't want to be left holding Forgetful Fred. Game includes 2 Answer Keys - one for addition and one for subtraction. Students can play independently and check their answers on the answer key. Once you own this card game, you can use it for years to come. The idea and the math problems never change! This is a skill for all ages whether they are learning their facts or just need to stay sharp with them. There are 27 pairs of addition and 27 pairs of subtraction cards. If there are too many in the deck of cards for kids to handle ... just take some out. Kids will have fun with these cute cards practicing this skill. You can see all the problems included when you look at the answer key in the preview.