I practice all subtraction problems in the number range up to 20 - with a pencil
Double folding card for the class with pen - 240 tasks
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.
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Double folding card for the class with pen - 240 tasks
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