Addition Strip Board
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.
Using the Addition Strip Board, the child practices the sequence of addition combinations 1 to 9, and begins the process of memorization of the addition tables. The material is composed of a hardboard chart 12 squares by 18 squares with the numbers 1 to 18 printed across the top. Stored in a wooden box with lid are the strips used for the exercise, 9 red strips divided into squares and 9 solid blue strips, both printed with the numerals 1 to 9.