Subtraction Strip Board history Consist of 42 specimens of

Consist of 42 specimens of metamorphic rock

introducing organizational skills at a young age helps kids logically handle information

which are used for teaching children to tell time

Full Set (Assembled)

Empire State Building

Subtraction Strip Board history Consist of 42 specimens ofWooden 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 and 18 natural wooden strips of varying lengths. Children use the Subtraction Strip Board by selecting subtractioncombinations of one through eighteen, thus reinforcing the child's comprehension of subtraction tables.