Welcome to Otazoi, Inc. where games are designed to bring playing and learning together!

 
Math Playing Cards  
 

Students effectively review number recognition, number sequencing, addition, subtraction, multiplication, division, and other math skills and concepts while having fun playing War, Old Maid, Go Fish, Rummy, Gin Rummy, Concentration, 21, Zero™, Challenge™, Hurdles™, High Hurdles, Numinos™, Additraction™, Steeplechase™, Dejá Vu™, Multivision™, Pendulum™, Bimathlon™, Trimathlon™, Mathlon™, Boot Camp™, Challenge™, Sprints™, Prime Number Detective™, Median War™, Average War™, Mean War™, and other card games. See Math Playing Card Games for an extensive collection of math card games and much, much more.

Each deck of Otazoi™ math playing cards comprises four set of playing cards, with each set comprising 13 playing cards numbered 0-12; answer cards for addition/subtration and multiplication/division; and two joker cards.  The playing cards are poker size (2.5" x 3.5") and casino quality (i.e., the same quality as used in many casinos).

Ages: 4 to adult

Grades: Preschool - 6

 
 

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