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Unit 12.1 Patterns and Algebra                                                       Topic 1: Scales and dimensions - perimeter and area (revision)                                                                Topic 2: Scales and dimensions - triangles and formulae (revision)                                              Topic 3: Scales and dimensions - area of a triangle                                                                     Topic 4: Scales and dimensions - polygons                                                                                Topic 5: Scales and dimensions - regular polygons                                                                                 Topic 6: Scales and dimensions - volume and total surface area (TSA)                                        Topic 7: Scales and dimensions - similar figures and area                                                           Topic 8: Scales and dimensions - similar solids, length, area and volume                                     Topic 9: Scales and dimensions - total surface area (TSA) and volume of truncated solids                       Topic 10: Scales and dimensions - modelling measurement problems                                          Topic 11: Surveying - using pace to estimate distances                                                               Topic 12: Surveying - offset surveys                                                                                          Topic 13: Surveying - estimating areas with irregular boundaries                                                  Topic 14: Surveying - surveying with obstacles                                                                                                 Unit 12.2 Managing Money 2                                                           Topic 1: Interest and inflation - percentages and simple interest                                                               Topic 2: Interest and inflation - interest on savings accounts                                                        Topic 3: Interest and inflation - compound interest                                                                      Topic 4: Interest and inflation â" inflation                                                                                      Topic 5: Consumer credit                                                                                                           Topic 6: Investments                                                                                                                 Topic 7: Insurance                                                                                                                       Unit 12.3 Probability and Statistics                                                                        Topic 1: Basic probability                                                                                                                      Topic 2: Theoretical probability and simulations                                                                          Topic 3: Probability of one or more events, and mutually exclusive events                                   Topic 4: Independent events and conditional probability                                                              Topic 5: Statistics - correlation and regression (scatter diagrams)                                                            Topic 6: Statistics - correlation analysis                                                                                      Topic 7: Statistics â" regression                                                                                                  Topic 8: Statistics - the 3-median regression line                                                             Topic 9: Statistics - predicting using a regression line                                                                   Unit 12.4 Algebra and Graphs                                                                     Topic 1: Equations - linear equations and inequations                                                                             Topic 2: Equations - choosing formulae                                                                                     Topic 3: Linear graphs                                                                                                               Topic 4: Graphs of linear inequations                                                                                         Topic 5: Quadratic equations                                                                                                     Topic 6: Graphs of quadratic functions                                                                                       Topic 7: Cubic graphs                                                                                                               Topic 8: Rational expressions                                                                                                    Topic 9: Formulae                                                                                                                     Topic 10: Hyperbolae                                                                                                                Topic 11: Exponential and logarithmic graphs                                                                               Unit 12.5 Applying Geometry in Papua New Guinea Arts                                                                       Topic 1: Polyhedra                                                                                                                                Topic 2: Tesselations                                                                                                                 Topic 3: Application of patterns and shapes in traditional arts                                                                             Appendix                                                                                           Mathematical symbols and formulae                                                                                                       Answers                                                                                                         Glossary/Index