 
           
           
           
          Subtraction Equations And Differences Box
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 2 to compartment wooden box with lid contains plastic chips,1 set with equations printed on them and 1 set with the answers to be used with the Subtraction Working Charts. All the equations and differences for the subtraction combinations 1 to 18 are included.