Ernst Klett Grundschulverlag approved the fourth CD-ROM from the Wochenplan series developed by The Web Production.

"Wochenplan" is the first teaching product, used as enclosure into mathematical textbook, which combines mathematical content as week-units. Pupils of the 4th grade can train mental calculation, addition, subtraction, multiplication, division, rotational symmetry, scaling, basic arithmetic operations and much more using friendly help of the funny Kangaroo and playing exciting games given in reward for good results. Colors of the learning sections in the Wochenplan product correspond to the topic colours in mathematical textbooks.