4. Ratios and rates

4.01 Working with rates

4.02 Comparing rates

4.03 Rates in the home

4.04 Rates on the road

4.05 Simplifying ratios

4.06 Applications of Ratios

4.07 Scales and maps

4.08 Representing the real world (trapezoidal rule)

Investigation: Energy efficient housing

Year 12

4.03 Rates in the home

Interactive practice questions

An appliance consumes $28016$28016 joules over $34$34 seconds. Express this as a rate in watts.

Easy

1min

Outcomes

MS2-12-3

interprets the results of measurements and calculations and makes judgements about their reasonableness, including the degree of accuracy and the conversion of units where appropriate

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