stamp game: addition booklet more than 36 static equations from page 1 to 6more than 36 dynamic equations from page 7 to 12correction booklet subtraction booklet more than 36 static equations from page 1 to 6more than 36 dynamic equations from page 7 to 12correction bookletmultiplication booklet more than 36 static equations from page 1 to 6more than 36 dynamic equations from page 7 to 12correction booklet