Fausto Presutti 
Playing with Math 2 
The Additive World up to 10

PLAYING WITH MATH it’s an educational path of math created by Fausto Presutti. Its efficacy has been proved by hundreds teachers in primary and secondary school. The educational path is composed by 19 books with different didactic path of mathematic, full of game-exercise that allow children to develop psycho-cognitive abilities and mathematic knowledge.
Playing with Math 2 — THA ADDITIVE WORLD UP TO 10 is based on 35 game-exercise cards. The formative path of this book is structured with these conceptual areas: Pp.3-7 Addition as quantifying operation of positional value on the line of numbers Pp.8-13 Addition as operation of quantification of adding and uniting. Introduction to the concept of machine Pp.14-20 Addition as operation of completing and grouping Pp. 21-23 Problems of addition on adding, unite and complete Pp. 24-31 Comparison of the operation of addition and subtraction by adding or subtracting 1 from 0 to 9 Pp.32-38 Understanding and calculus within 9 of a subtraction operation gained from the number line, with groupings, with machines and with disunions Pp.39-42 Problems with subtractions based on subtracting, decomposing and comparing The Series' theoretical model and formative path are visible on this website: http://didactics.ispef.eu/psychodidactic.htm