Sharp, Janet M. Learning and teaching K-8 mathematics / by Janet M. Sharp, Karen Bush Hoiberg - Boston : Pearson Education, 2005 - xxviii, 340 p. : ill. ; 28 cm. + 1 computer laser optical disc (4 3/4 in). ISBN: 020546484X RM292.13 Subjects--Topical Terms: Mathematics--Study and teaching (Elementary)