TY - BOOK AU - Clausen-May,Tandi TI - Teaching mathematics visually and actively SN - 9781446240861 [paperback] PY - 2013/// CY - Los Angeles PB - SAGE KW - Mathematics KW - Study and teaching (Elementary) N1 - Includes index; Contents: 1 Introduction -- 2 The concept of number -- 3 Models for multiplication and division -- 4 Place value and decimals -- 5 Fractions -- 6 Ratio, proportion and percentages -- 7 Algebra -- 8 Angle -- 9 Perimeter, area and volume -- 10 Circles and time -- 11 Data handling ER -