Subtraction Strip Board

Wooden board with 12 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 and 18 natural wooden strips of varying lengths.

Children use the Subtraction Strip Board by selecting subtraction combinations of 1 through 18, thus reinforcing the child's comprehension of subtraction tables.

Board dimensions: 40 cm x 30 cm x 0.6 cm.