Concepts in Algebra: Ratios and Proportions DVD

Discovery Education

$59.95 $69.95
SKU: DC889352
Format: DVD
Grade Level:
Runtime: 56
Copyright: 2006

Alt Formats:
Teacher's Guide
Free Resources
Marc Record

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How are ratios and proportions used to solve real-world problems? See firsthand with examples that include Renaissance design, calculating the orbit of the moon, estimating animal populations, understanding currency exchange rates, making distance-speed conversions, and creating special effects in films. Includes five segments.
  • Conversion and Ratios:Dollars to Drams — Shows how monetary exchanges are calculated.
  • Estimating and Proportions: Counting Sheep — Demonstrates estimating animal populations.
  • Similar Figures: Scaled Down — Takes a look at blueprints.
  • Indirect Measurement:High in the Sky — Journeys to our nearest star.
  • Mat hand Design in the Renaissance — Profiles Europe's rebirth of mathematical knowledge.