Subtraction Strip Board and box containing strips : 1 set The Discovery of the Child by Angeline Stoll Lillard

by Angeline Stoll Lillard

they teach the child to associate between 1 to 10

A black plastic box

The many activities start with dressing and personal hygiene

Discussion points to stimulate class debate

Subtraction Strip Board and box containing strips : 1 set The Discovery of the Child by Angeline Stoll LillardThis set includes one hardwood board with 18 numbered squares across the top and 12 squares downward. A wooden box with 9 red and 9 blue wooden strips printed with the numerals 1 9 and 18 natural wooden strips of varying lengths are provided for the exercises. The natural strips indicate the value to subtract from and the blue strips indicate the value to be subtracted.