Set of numbers to practice different math skills. Choice of small and large numbers. The set of sum numbers is the same size as the small numbers with the additional operation signs (+, -, x, : and =). The sum numbers are   to be used in combination with the number board and the sum ten square (2 x 5)

Klein

11 small numbers from 0 to 10 (dim. 5 cm)

Big

11 large numbers from 0 to 10 (dim. 10 cm)

sum numbers

22 small numbers from 0 to 10 (dim. 5 cm)
10 operator characters (2 times +, 2 times -, 2 times x, 2 times : and 2 times =)