60 Montessori Dynamic SubtractionI created these worksheets to help children practice with the Montessori material in order to learn subtraction.They are very intuitive for placing Value - Units, Tens, Hundreds and Thousands.There are also extra blank worksheets for you to create your own additional (only need to write numbers) and you can find them in black or colour coded for the type of the operation. You can find the symbol on the right side and also on the left, print only what you need. Th