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All of these Montessori addition materials are high quality wood and are in like new condition.
The following items are included in this listing....
Addition working charts set - used to memorize addition facts
2 control charts, 4 working charts, and a box of answer chips
Addition Equations and Sums Box - all equations and sums for addends 1-9
Addition Strip Board - a wooden board and number strips to help the abstract become more visual