Instructional Video

Ratio and Proportion for Chemical Compounds

Curated and Reviewed by Lesson Planet

Explore the strong connection between mathematics and science. Learners see how to use proportions to determine the makeup of chemical compounds. The example shown finds the number of grams of oxygen in a given amount of water.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Consult a science teacher to create an interdisciplinary lesson
  • Make a connection to the periodic table as you work through the problems
Classroom Considerations
  • Learners should be proficient with writing and solving proportions
  • This video is hosted on YouTube
Pros
  • Solves the proportion using the Multiplication Property of Equality rather than cross multiplication
Cons
  • Does not explain the chemistry concepts related to the numbers used and mathematics shown
Common Core