Kindermatic Montessori Addition Working Charts 蒙特梭利 加法組

Kindermatic Montessori Addition Working Charts 蒙特梭利 加法組

教具構成：加法練習表1,2,3和空白表共6塊；帶有一個木制盒子，裡面有所有基本加法得數；材質：櫸木+密度板。包裝尺寸：62*30*7cm

The Addition Working Charts aid the child in practice and memorization of the unit addition combinations. Includes two control charts, 4 working charts, and a box of wooden answer chips.

• Dimensions:
     - Each Control Chart: 15.5 x 9.25 inches
     - Each Working Chart: 9.5 x 9.5 inches

• Recommended Ages: 5.5 years and up