Mathematics, a good beginning :
Troutman, Andria, 1936-
Mathematics, a good beginning : strategies for teaching children / Andria P. Troutman, Betty K. Lichtenberg. - 3rd ed. - Monterey, Calif. : Brooks/Cole Pub. Co., c1987. - xxi, 532 p. :
0534069843 (pbk.) : $21.00
--Study and teaching (Elementary)
QA 135.5 / .T76 1987
Mathematics, a good beginning : strategies for teaching children / Andria P. Troutman, Betty K. Lichtenberg. - 3rd ed. - Monterey, Calif. : Brooks/Cole Pub. Co., c1987. - xxi, 532 p. :
0534069843 (pbk.) : $21.00
--Study and teaching (Elementary)
QA 135.5 / .T76 1987