Learning objectives
Use ratios and rates to compare quantities and find a missing value in a proportional relationship
Solve unit-rate problems such as cost per item, speed and density, and compare rates given in different forms
Convert between units using given conversion factors, including derived units such as square and cubic measures
Recognize proportional relationships in tables, graphs and equations of the form y = kx and find the constant of proportionality
Solve multi-step problems that chain several rates, ratios or scale factors together
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