Mathematics / Year 8 / Measurement

Curriculum content descriptions

recognise and use rates to solve problems involving the comparison of 2 related quantities of different units of measure (AC9M8M05)

Elaborations
  • identifying examples of rates in the real world, including constant rates, rate of pay, cost per kilogram, recipes, simple interest and average rates
  • applying rates to solve problems involving the conversion between different units of measure; for example, using a conversion rate to convert distances from miles into kilometres; using currency exchange rates to determine the price of items
  • applying rates to calculate solutions to problems in different contexts; for example, required run rates in cricket, dilution of concentrated chemicals and comparing the petrol consumption rates of different vehicles
  • using taxation tables to calculate an individuals annual income tax
  • investigating the application of rates in First Nation Australians’ land management practices, including the rate of fire spread under different environmental conditions such as fuel types, wind speed, temperature and relative humidity; the conservation of water by First Nations Australians by estimating rates of water evaporation based on surface area and climatic conditions
General capabilities
  • Numeracy Numeracy
ScOT terms

Rates (Ratios),  Metres per second

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This resource is a web page containing an investigative task to explore ratios and is a follow up to the task Mixing Paints. The context of mixing paints to particular ratios of colours provides a useful task to model practical situations involving ratios. A 'Getting started' and 'Solutions' page is also available to support ...

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Online

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Video

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Online

TIMES Module 21: Number and Algebra: rates and ratios - teacher guide

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Interactive

Syllabus Bites: Revisiting proportion

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Interactive

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Online

Rates and ratios: Year 8 – planning tool

This planning resource for Year 8 is for the topic of Rates and ratios. Students recognise and use rates to solve problems including, constant rates, rate of pay, cost per kilogram, recipes, simple interest and average rates. Students will also be required to make comparisons between two related quantities of different ...

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This work sample demonstrates evidence of student learning in relation to aspects of the achievement standards for Year 8 Mathematics. The primary purpose for the work sample is to demonstrate the standard, so the focus is on what is evident in the sample not how it was created. The sample is an authentic representation ...

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Modelling climate changes

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Mystery man Pythagoras meets his match

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