Are you baffled by negative numbers? Need help rounding up or down? Or how to add fractions? This book helps you find out how many million times we blink each year, calculate the mean average of your family and even use pizza to understand pesky fractions. It introduces each topic with colourful pictures, real-life examples and fascinating facts.

1: Numbers1: Number symbols2: Place value3: Sequences and patterns4: Sequences and shapes5: Positive and negative numbers6: Comparing numbers7: Ordering numbers8: Estimating9: Rounding10: Factors11: Multiples12: Prime numbers13: Prime factors14: Square numbers15: Square roots16: Cube numbers17: Fractions18: Improper fractions and mixed numbers19: Equivalent fractions20: Simplifying fractions21: Finding a fraction of an amount22: Comparing fractions with the same denominators23: Comparing unit fractions24: Comparing non-unit fractions25: Using the lowest common denominator26: Adding fractions27: Subtracting fractions28: Multiplying fractions29: Dividing fractions30: Decimal numbers31: Comparing and ordering decimals32: Rounding decimals33: Adding decimals34: Subtracting decimals35: Percentages36: Calculating percentages37: Percentage changes38: Ratio39: Proportion40: Scaling41: Different ways to describe fractions2: Calculating1: Addition2: Adding with a number line3: Adding with a number grid4: Addition facts5: Partitioning for addition6: Expanded column addition7: Column addition8: Subtraction9: Subtraction facts10: Partitioning for subtraction11: Subtracting with a number line12: Shopkeeper’s addition13: Expanded column subtraction14: Column subtraction15: Multiplication16: Multiplication as scaling17: Factor pairs18: Counting in multiples19: Multiplication tables20: The multiplication grid21: Multiplication patterns and strategies22: Multiplying by 10, 100, and 100023: Multiplying by multiples of 1024: Partitioning for multiplication25: The grid method26: Expanded short multiplication27: Short multiplication28: Expanded long multiplication29: Long multiplication30: More long multiplication31: Multiplying decimals32: The lattice method32: Division33: Dividing with multiples34: The division grid35: Division tables36: Dividing with factor pairs37: Checking for divisibility38: Dividing by 10, 100 and 100039: Dividing by multiples of 1040: Partitioning for division41: Expanded short division42: Short division43: Expanded long division44: Long division45: Converting remainders46: Dividing with decimals47: The order of operations48: Arithmetic laws49: Using a calculator3: Measurement1: Length2: Calculating with length3: Perimeter4: Using formulas to find perimeter5: Area6: Estimating area7: Working out area with a formula8: Areas of triangles9: Areas of parallelograms10: Areas of complex shapes11: Comparing area and perimeter12: Capacity13: Volume14: The volumes of solids15: Working out volume with a formula16: Mass17: Mass and weight18: Calculating with mass19: Temperature20: Calculating with temperature21: Imperial units22: Imperial units of length, volume, and mass23: Telling the time24: Dates25: Calculating with time26: Money27: Using money28: Calculating with money4: Geometry1: What is a line?2: Horizontal and vertical lines3: Diagonal lines4: Parallel lines5: Perpendicular lines6: 2D shapes7: Regular and irregular polygons8: Triangles9: Quadrilaterals10: Naming polygons11: Circles12: 3D shape13: Types of 3D shape14: Prisms15: Nets16: Angles17: Degrees18: Right angles19: Types of angle20: Angles on a straight line21: Angles at a point22: Opposite angles23: Using a protractor24: Angles inside triangles25: Calculating angles inside triangles26: Angles inside quadrilaterals27: Calculating angles inside quadrilaterals28: Angles inside polygons29: Calculating the angles in a polygon30: Coordinates31: Plotting points using coordinates32: Positive and negative coordinates33: Using coordinates to draw a polygon34: Position and direction35: Compass directions36: Reflective symmetry37: Rotational symmetry38: Reflection39: Rotation40: Translation5: Statistics1: Data handling2: Tally marks3: Frequency tables4: Carroll diagrams5: Venn diagrams6: Averages7: The mean8: The median9: The mode10: The range11: Using averages12: Pictograms13: Block graphs14: Bar charts15: Drawing bar charts16: Line graphs17: Drawing line graphs18: Pie charts19: Making pie charts20: Probability21: Calculating probability6: Algebra1: Equations2: Solving equations3: Formulas and sequences4: Formulas7: Glossary8: Index9: Answers10: Acknowledgments