Math leader 2: mental arithmetic
The mathematics (numerical structure) of the 4th grade is brought closer to children in this issue.
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.
The mathematics (numerical structure) of the 4th grade is brought closer to children in this issue.
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The mathematics (numerical structure) of the 4th grade is brought closer to children in this issue.
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