Lesson Plan

Illustrative Mathematics: F Bf Lake Algae

Curated by ACT

In this task, students analyze the amount of algae growing on the surface of a lake. The purpose of the task is to introduce students to exponential growth. Instead of giving a starting value and asking for subsequent values, it gives an end value and asks about what happened in the past, contradicting any ideas about linear growth. Aligns with F-BF.A.1.

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CCSS: Designed
Classroom Considerations
  • Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice