00750cam a2200217 a 4500 081119s2009 caua b 000 0 eng 9781412960670 SDU QA63 P855 P 2009 Posamentier, Alfred S. Problem solving in mathematics, grades 3-6 : powerful strategies to deepen understanding / Alfred S. Posamentier, Stephen Krulik. Thousand Oaks, Calif. : Corwin, 2009. 134 p. : ill. HKBU library YT2025 M09 Problem solving Study and teaching (Elementary) 191746 Mathematics Study and teaching (Elementary) Krulik, Stephen. 191747 = C.1 SDU GBE lcc 103537 103537 0 0 lcc 0 QA0063 P855 P2009 0 CGB 281010 SDU SDU GEN3 2025-09-08 2 0 QA63 P855 P 2009 1000385596 2025-09-08 00:00:00 C.1 2025-09-08 GBE