Year 9 Mathematics

What is this subject about?

In Year 9, learning in Mathematics builds on each student’s prior learning and experiences. Students engage in a range of approaches to learning and doing mathematics that develop their understanding of and fluency with concepts, procedures and processes by making connections, reasoning, problem-solving and practice. Proficiency in mathematics enables students to respond to familiar and unfamiliar situations by employing mathematical strategies to make informed decisions and solve problems efficiently.

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Students further develop proficiency and positive dispositions towards mathematics and its use as they:

  • apply scientific notation in measurement contexts, routinely consider accuracy in measurement and work with absolute, relative and percentage errors in a range of different measurement contexts
  • work with the real number line as a geometric model for real numbers that provides a continuous measurement scale; locate different fractions exactly on the common scale of the real number using scale and similarity, and locate some irrational square roots of natural numbers using Pythagoras' theorem
  • use linear and quadratic functions to model a broad range of phenomena and contexts, make predictions, and represent these using tables, graphs and algebra, including with the use of digital tools
  • manipulate algebraic expressions involving variables, exponents, and the expansion and factorisation of simple quadratic expressions using a variety of techniques including tables, diagrams, algorithms and digital tools.
  • formulate and solve related linear and non-linear equations exactly or approximately using numerical, graphical and algebraic approaches
  • solve measurement problems about the surface area and volume of objects and apply formulas to solve problems, calculating these and related dimensions of objects as required
  • use similarity, scale , trigonometry, enlargement transformations, the triangle inequality and Pythagoras' theorem to solve practical problems using given sets of information
  • investigate probabilities of compound events from two-step experiments and solve related problems; use a variety of representations such as Venn diagrams ,tree diagrams ,  two-way tables and grids to assist in determining the probabilities for these events ; design experiments to gather empirical data about relative frequencies and use these to check their reasoning
  • compare multiple  numerical data subsets in context and analyse their distributions with consideration of symmetry and skew; justify their choice of data representation with respect to data types and context , and critically review the statistical presentation of  data and related arguments of others.

In Year 10, students will undertake a common Year 10 Mathematics program during Semester 1 and then elect to study either Year 10 Mathematics A or Mathematics Core in the second Semester.

Year 10 Mathematics A is the prerequisite study for VCE Mathematical Methods and Specialist Mathematics. Girls who aspire to study one or both of these subjects in the VCE must elect to study Mathematics A in Semester 2, Year 10.

Year 10 General Mathematics prepares students for VCE General Mathematics and VCE Foundation Mathematics. It is not an adequate preparation for Mathematical Methods and Specialist Mathematics in the VCE.

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MATHEMATICS HELP DESK

A Mathematics teacher is available 50 minutes two afternoons per week (Tuesday and Wednesday) during term, between 3:25pm and 4:15pm, and before school on Wednesdays to provide assistance in Mathematics to Ruyton girls. There is no cost to parents for this service and it has proved most helpful to those girls who attend. Students who experience difficulty with Mathematics are encouraged to make regular use of this service.