Displaying 1 of 1 Título: Subtraction machine. Formato: Three Dimensional Object (Artifact), Visual Materials Editorial, Fecha: Carson, CA : Lakeshore, [date of publication not identified] Descripción: 1 toy : plastic ; 24 x 22 x 3 cm. plastic Resumen: Portable learning device to teach subtraction. Students press equation buttons to get correct answers. Nota del público de destino: Ages 4 years and up. Serie: Math machines Math machines. Temas: Subtraction. Mathematics -- Study and teaching (Elementary) -- Activity programs. Educational toys. Toys. Mount Prospect (Ill.) -- Library of things. Mount Prospect (Ill.) -- Library of things. Otro autor: Lakeshore Learning Materials (Firm) Hacer solicitud Agregar a Mi lista Expand All | Collapse All Disponibilidad Buscar en el mapa Imagen de portada ampliada Pantalla de bibliotecario Displaying 1 of 1