Zahlenzorro - Das Heft Förderheft 3 Mathematics with favourite topics like circus, fantasy, detectives or pirates. This is now possible with the new Zahlenzorro booklets. The Zahlenzorro Förderheft 3 teaches basic tasks from all required learning areas of the third grade. A structured development with clear illustration and the specific training of calculation methods is given a lot of space. The booklet is suitable for independent learning, practicing and deepening - at school, in remedial teaching or in the afternoon at home. The booklet 3 is self-explanatory and independent of the textbook and motivates the children through the entire booklet with the topic "Detectives". The tasks are embedded in stories about the detectives Schleich and Klein, the agent Agathe, the sniffer dog Schnüff and the thieves with their prey. Always with you.