- Mathematics
- Year 8
Ratios & Rates
approx. 8 hrs
2 topics
20 concepts
Become proficient with Rates and Ratios and improve your results.
approx. 8 hrs
2 topics
20 concepts
Become proficient with Rates and Ratios and improve your results.
This learning program is aligned with outcomes from the Number and Algebra strand from the Australian Curriculum. Students studying Year 8 Rates and Ratios use common fractions and decimals to show proportion, simplify and find equivalent ratios and determine scale factor for maps and drawings. In addition, they also apply formula to calculate rates, such as . rates of speed given the distance and time.
This learning program is made up of the following 2 topics, broken down into 20 concepts.
Simplify ratios that require conversion of units
Equivalent ratios
Simplify ratios involving fractions
Scale drawing - determine the scale factor
Simplify ratios
Write ratios using notation
Divide a quantity in a given ratio
Scale drawing - convert scale distance to actual distance and vice versa
Calculate 'best buys' by comparing price per unit
Finding the time taken given distance and speed
Finding the distance travelled given speed and time
Converting units of speed
Match descriptions to linear distance/time graphs
Write a description to match a linear distance/time graph
Calculations from a distance/ time graph
Interpret the meaning of line segments, both horizontal and with different slopes in travel graphs
Sketch distance/time graphs from a written description
Finding the average speed given distance and time
Solve a variety of real-life problems involving rates
Use the unitary method to find an average or simplified rate
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