b'MathematicsStamp GameAfter being introduced to the decimal system using the Golden Bead Material, the Stamp Game provides opportunity for individual practice in the operations of addition, subtraction, multiplication and division. In a step towards abstrac-tion, the quantity and symbols of the decimal system are combined and are represented by each stamp.Item Number: 008200$154.95Stamp Game Activity Set Stamp Game Paper:Dot Exercise Sheets: (50)Additional exercises for use with15 Problems 50 sheets printed with the Dot the Stamp Game. Includes: exercise500 sheets with 15 problem gridsExercise board grid.cards, divider tabs and a wooden box(twelve 1/2"- squares each) printedItem Number: 0050A0for storage. in grey. $36.95Item Number: 060101 Item Number: 558300$86.95 $44.95Water Based Pen: Red (1)For use with the Dot Exercise board.Item Number: E044007$2.95Water Based Pen: Black (1)For use with the Dot Exercise board.Item Number: E044002Dot Exercise $2.95The Dot Exercise provides practice in decimal system addition. Through use, the child further explores col-umn addition and experiences theDot Exercise Activity Setmechanism of carrying. The Dot Exercise grid is printed on a white- Additional exercises for use with board upon which the child writesthe Dot Exercise. Includes: with water based pens of 2 differentexercise cards, divider tabs and colours. 2 pens included. a wooden box for storage.Item Number: 005050 Item Number: 060601$59.95 $69.95Nienhuis Montessori 61'