The 100 most important bills
This card index is intended for flash calculation.
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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.
This card index is intended for flash calculation. The students you supervise should be able to calculate the invoice on the front at a glance (flash calculation). The back serves to trace the invoice. The children should use several colors to calculate the bill in rainbow
to appear. Lightning arithmetic is important in order to increase the speed of arithmetic and thus also to increase the "joy of arithmetic".
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- This article is made to order, delivery time approx. 4 - 5 months
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- This article is made to order, delivery time approx. 4 - 5 months
This card index is intended for flash calculation.
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