Section A: Mathematical Understanding Chapter 1: Primary Teachers' Insecurity about Mathematics Chapter 2: Mathematics in the Primary Curriculum Chapter 3: Learning How to Learn Mathematics Section B: Mathematical reasoning and problem solving Chapter 4: Key Processes in Mathematical Reasoning Chapter 5: Modelling and Problem Solving Section C: Numbers and calculations Chapter 6: Numbers and Place Value Chapter 7: Addition and Subtraction Structures Chapter 8: Mental Strategies for Addition and Subtraction Chapter 9: Written Methods for Addition and Subtraction Chapter 10: Multiplication and Division Structures Chapter 11: Mental Strategies for Multiplication and Division Chapter 12: Written Methods for Multiplication and Division Section D: Further Number Concepts and Skills Chapter 13: Natural Numbers: Some Key Concepts Chapter 14: Integers: Positive and Negative Chapter 15: Fractions and Ratios Chapter 16: Decimal Numbers and Rounding Chapter 17: Calculations with Decimals Chapter 18: Proportionality and Percentages Section E Algebra Chapter 19: Algebraic Reasoning Chapter 20: Coordinates and Linear Relationships Section F Measurement Chapter 21: Concepts and Principles of Measurement Chapter 22: Perimeter, Area and Volume