Power Maths

Power Maths

Lesson 9 of 20 in this unit

  • Secondary
  • Year 7 - 8
  • Mathematics
  • Environmental
  • Energy
  • ...

Lesson summary

Students will work with power output figures in watts, megawatts and horsepower. They will calculate using addition, subtraction, multiplication and division and make conversions between units of measurement. Figures are drawn from the real world operations of Hydro Tasmania.

Learning intentions:

Students will...

  • develop and practise their skills in arithmetic calculations using calculators and problem solving skills
  • develop skills in interpreting and working with units of measurement of energy.

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Lesson details

Curriculum mapping

Australian curriculum content descriptions:

Year 7 Mathematics:

  • Connect fractions, decimals and percentages and carry out simple conversions (ACMNA157).
  • Find percentages of quantities and express one quantity as a percentage of another, with and without digital technologies. (ACMNA158).

Year 8 Mathematics

  • Carry out the four operations with rational numbers and integers, using efficient mental and written strategies and appropriate digital technologies (ACMNA183).
  • Solve problems involving the use of percentages, including percentage increases and decreases, with and without digital technologies (ACMNA187).

Syllabus Outcomes: MA4-1WM, MA4-2WM, MA4-3WM, MA4-4NA, MA4-5NA

Time required: 60 mins.

Level of teacher scaffolding: Medium – oversee activity.

Resources required

Additional info

Hydro Tasmania has been at the forefront of clean energy innovation for one hundred years. It is Australia’s largest producer of clean energy – generating hydro and wind power – and the largest water manager. Hydro Tasmania has 55 major dams, operates 30 hydropower stations and has built some of Australia’s largest wind farms.

Hydro Tasmania also sells energy in the National Electricity Market through its retail business Momentum Energy, and sells its expertise internationally through its consulting business Entura.

Visit the Hydro Tasmania website to learn how the business is working towards Australia’s clean energy future.

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