TY - BOOK AU - Hughes,Peter ED - New Zealand. TI - Teaching addition, subtraction, and place value T2 - Numeracy professional development projects 2012 SN - 0790340232 U1 - 372.72044 23 PY - 2012///] CY - Wellington, N.Z. PB - Ministry of Education KW - Numeracy KW - Study and teaching (Elementary) KW - New Zealand KW - Arithmetic N1 - Cover title; Errata slip included; "The activities presented in this book are designed specifically to develop student's mental strategies in mathematics. This is done using the Teaching Model found in Book 3 of the series. For each stage, the book presents a set of strategies through the phases of : - Using materials, - Using imaging, - Using number properties."--P. 5; "Teachers may copy these notes for educational purposes"--Cover verso; Also available via the World Wide Web ER -