Addition, Subtraction, Missing Addends, Missing Subtrahends . . . 192 cards to practice addition and subtraction within 10.
All you need to add is some spring clothes pins and they are ready for use in a math center or for independent student practice.
When printed pack-to-back, the cards are self-checking--after clipping the correct answer, a student can flip the card over and check that the clip is covering the monster on the back.
The cards an be used with or without the included sorting mat and recording pages.