Salmon You Can Count On

Students simulate a tag-recapture technique and use proportions to predict the total population of “salmon” from the distribution of tagged fish found in “captured” samples.

Standards

Idea Sheets are cross-referenced to subjects listed in the Common Core, Next Generation Science Standards, and California Content Standards.

Categories include:
  • Life Science
  • Grades 6-8
  • Science
  • Math
Tags: Human Impacts, Ecosystems, Ratios & Proportions, Measurement & Data
Grades covered: Grades 6–8
Topics: Data Samples, Sampling Methods, Proportional Relationships, Ecosystem Dynamics

Video Demo

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