Kang, Hildi, 1934-, Helpful hints for teaching math / [print] written by Hildi Kang ; illustrated by Len Ebert. - Torrance, California : Fearon Teacher Aids, (c)2001. - 64 pages : illustrations ; 28 cm. "FE11043"--Cover. Grades 1-3. Subjects--Topical Terms: Mathematics--Study and teaching (Elementary) LC Class. No.: QA135.E16.H457 2001