Using the Subtraction Strip Board, the child practices the equations of the subtraction tables 1-18.   

A wooden board 12 squares by 18 squares with the numerals 1-18 printed across the top.  Natural wooden strips corresponding in length to the squares 1-18 are used to indicate the number to subtract from (minuend) and 1 set of blue strips used to subtract with (subtrahend). A set of red strips is included for further explorations. 

Stored in a wooden box with lid.

Developmentally appropriate for ages 5 years +

Safety rated for ages 3 years +

Made of Beechwood. 

SKU: C104

Please note that this is a budget version.  Click here for our collection of AMI-certified Montessori Math Materials.