Aid in practice and memorization of unit addition, subtraction, multiplication, and division combinations. Includes control charts, working charts, and answer chips.
Sets of color-coded unit addition, subtraction, multiplication, and division combinations (equations) slips. Each set supplied in a separate plastic box.
Please note: you are making a charitable contribution to Staunton Montessori School, a 501(c)(3) nonprofit organization. We will not ship you a physical product. The exact item we purchase may differ from the one described.
Aid in practice and memorization of unit addition, subtraction, multiplication, and division combinations. Includes control charts, working charts, and answer chips.
Sets of color-coded unit addition, subtraction, multiplication, and division combinations (equations) slips. Each set supplied in a separate plastic box.
Please note: you are making a charitable contribution to Staunton Montessori School, a 501(c)(3) nonprofit organization. We will not ship you a physical product. The exact item we purchase may differ from the one described.
