Build number sense and mental math skills with this 80-card deck of subitizing playing cards. Includes tallies, dot patterns, 10-frames, fingers, digits, words, unit cubes, & rekenreks. Also included are a variety of game ideas to use with this deck of cards. Contents: 80 count - 2.5" x 3.5" playing cards; 1-10 of the following: tally marksfingersdot patternsdigits10-frameswordsunit cubesRekenreksGame ideas and instructions for using these cards including: Go fishMemorySubitizing warI SpyT