Descriptors›Mathematics›Year 8›Number›Number›AC9M8N05
AC9M8N05 Year 8 Mathematics

AC9M8N05 | Year 8 Mathematics: Number

Content Descriptor

Content descriptor use mathematical modelling to solve practical problems involving rational numbers and percentages, including financial contexts; formulate problems, choosing efficient calculation strategies and using digital tools where appropriate; interpret and communicate solutions in terms of the situation, reviewing the appropriateness of the model
Strand
Number
Substrand
Number

This content descriptor sets out learning for Year 8 Mathematics. Use it to plan lessons and assessment with the Australian Curriculum v9.

Elaborations

  • • Elaboration modelling situations involving weather and environmental contexts including temperature or sea depths by applying operations to positive and negative rational numbers; for example, involving average temperature increases and decreases
  • • Elaboration modelling situations that involve percentage increases or decreases and explaining why it is an increase or decrease, such as mark-ups, discounts, Goods and Services Tax, changes in populations or recycling rates
  • • Elaboration modelling situations involving personal income tax, interpreting tax tables to determine income tax at various levels of income, including overall percentage of income allocated to tax
  • • Elaboration modelling situations involving percentage increase or decrease such as market trends, effects on population, or effects on the environment over extended time periods

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