To practise the operations of addition, if he has to write the result, and of substraction, if he has to write one of the addends.
Didactic content
To practise the operations of addition, if he has to write the result, and of substraction, if he has to write one of the addends. The child will complete the operation using a clean marker (non included).
8015 - Sums up to 10: The results are until 10.
8016 - Sums up to 20: The results are between 11 and 20.
Material
28 cards made of laminated plastic, washable, of 10 x
7 cm. and 0,4 mm thick / 3,937 x 2,755 inch and 0,01575 inch thick.
Features/packaging
Plastic case, closed with clasps.
Size
Case of 11 x 7,5 x 2,5 cm. / 4,330 x 2,952 x 0,984 inch.
Ages
6 years and older.