# Year 9

##### Program Overview

Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Trust Your Numbers Measuring Beyond Our Reach Representing the Unknown Staying in Line with the World Joe Average Number Geometry and trigonometry Algebra Algebra Statistics and probability Logic Form Relationships Relationships Relationships Equivalence, quantity, representation Pattern and space System, model and generalisation System and model Model and representation Scientific and technical innovation Identities and relationships Scientific and technical innovation Identities and relationships Scientific and technical innovation Simplifying quantities and understanding equivalent relationships between different forms of representations, can help me make logical decisions Spatial relationships are a means of understanding the physical and abstract world Relationships can be expressed in a generalized form whose rules are used to problem solve Linear relationships can model many situations and systems in real life Interpreting the inner meaning behind different forms of representation can help us in understanding relationships. A, B and C A, C and D A, B and C A C and D Communication Communication Critical thinking Transfer Communication Ratios and rates. Percentage increase, decrease. Profit and discount. Laws of indices, scientific notation and significant figures Pythagoras’ theorem and its applications. Congruent triangles, enlargement and similar figures. Trigonometric ratios, finding sides, angles and applications Algebraic expressions and their manipulation. Solving linear equations involving brackets and unknowns on both sides and those in word problems. Inequalities and using formulae Gradient and direct proportion. Graphing straight lines using intercepts and gradient/y-intercept. Finding the equation of a line. Midpoint and length of a line segment. Parallel/perpendicular lines, linear modelling and graphical solutions to simultaneous equations Summarising data, stem and leaf plots, grouped data, measures of spread, box plots.