Fractions, decimals, ratios and percents [microform] : hard to teach and hard to learn? : facilitator's discussion guide / edited by Carne Barnett, Donna Goldenstein, Babette Jackson (Mathematics teaching cases)
Fractions, decimals, ratios and percents [microform] : hard to teach and hard to learn? : facilitator's discussion guide / edited by Carne Barnett, Donna Goldenstein, Babette Jackson
原資料の出版事項: Portsmouth, NH ; [Washington, DC] : Heinemann : U.S. Dept. of Education, Office of Educational Research and Improvement, Educational Resources Information Center, [1994]