For primary school / elementary school.
The content includes all aspects of fractional calculation in all basic arithmetic operations.
ORIGINAL NIENHUIS MATERIAL
Please note:
Montessori materials are NOT toys, but educational materials. Proper use requires appropriate training.
Montessori materials may contain small, rough, sharp, or other elements that could cause injury or damage if used improperly.
It may therefore only be used by children under the supervision of appropriately trained persons and in an appropriate environment.