Kindermatic Montessori Subtraction Strip Board 蒙特梭利 減法板

Kindermatic Montessori Subtraction Strip Board 蒙特梭利 減法板

教具構成：木制底板一塊，紅藍定規一盒，原木定規。材質：櫸木。包裝方式：白盒。包裝尺寸：

Wooden board 12 squares by 18 squares with the numerals 1-18 printed across the top. A wooden box contains 9 red wooden strips and 9 blue wooden strips both printed with the numerals 1 to 9. Another wooden that contains 18 natural wooden strips of varying lengths. Children use the Subtraction Strip Board by selecting subtraction combinations of one through eighteen, thus reinforcing the child's comprehension of subtraction tables.

• Dimensions of Wooden Board: 16 x 12 inches

• 2 Wooden boxes are included: One for the red an blue strips and one for the natural color strips.

• Recommended Ages: 5.5 years and up