Instructional Video

Solve Real World Problems That Involve a Combination of Rates, Proportions and Percents

Applying unit conversions to word problems and scenarios is the name of the game in this approachable and yet dense presentation. A wide range of rate, ratio, and proportion problems are covered in a step-by-step manner, with particular emphasis on making sure that answers are both reasonable and answer the question asked. From consumer math to pure algebra and on to word problems involving rate of speed, this is a presentation great for teaching or remediation of a complex topic.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Assign learners different modes of transportation, some in European/metric, and have them convert units to compare speeds
  • Link with a consumer science curriculum on budgeting and comparing unit cost of groceries
  • Post on the class website for viewing before class in a flipped classroom model or after class for homework help in a traditional setting
Classroom Considerations
  • Video viewing requires access to the Internet
  • No mention is made of converting between English and metric units, if this is a curriculum requirement
  • Watch for cross-multiplication in non-applicable problems, such as unit converting or fraction arithmetic
  • Consider pausing the video periodically to allow for questions and classwork of problems
  • This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information
Pros
  • Pleasant and easily understood voicing
  • Problems worked cover many topics and interests
  • Emphasis on checking reasonableness of answers
  • Step-by-step working of even basic problems
Cons
  • No independent practice work available
  • Printed note slides to match presentation not provided
Common Core