Displaying 1 of 1 제목: Subtraction machine. 형식: Three Dimensional Object (Artifact), Visual Materials 출판사, 날짜: Carson, CA : Lakeshore, [date of publication not identified] 설명: 1 toy : plastic ; 24 x 22 x 3 cm. plastic 요약: Portable learning device to teach subtraction. Students press equation buttons to get correct answers. 목표 대상 주석: Ages 4 years and up. 시리즈: Math machines Math machines. 주제: Subtraction. Mathematics -- Study and teaching (Elementary) -- Activity programs. Educational toys. Toys. Mount Prospect (Ill.) -- Library of things. Mount Prospect (Ill.) -- Library of things. 기타 작가: Lakeshore Learning Materials (Firm) 요청하기 내 목록에 추가 Expand All | Collapse All 이용 가능성 지도로 찾기 큰 표지 이미지 도서 리뷰 Displaying 1 of 1