It's scary how fast bacteria can grow — exponentially. Class members solve exponential equations, including those modeling bacteria and population growth. Lesson emphasizes numerical approaches rather than graphical or algebraic.

Concepts

exponential growth, exponential equations, solving equations, bacteria, population growth

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Additional Tags

math

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Instructional Ideas

• Consult a science teacher for additional examples and contexts
• Extend the lesson by challenging learners to attempt graphical and tabular methods to solving exponential equations

Classroom Considerations

• Pupils should have previous experience solving exponential equations, such as 2^x = 16, where the solution is an integral value
• The seventh installment of a 35-part module

Pros

• Resource includes answers for all examples, problems, and guiding questions
• Teacher guide thoroughly explains how the lesson connects and leads to future lessons, giving instructors a clearer view of the objectives

Cons

• None

Common Core

HSA-CED.A.1 HSF-BF.A.1.a HSF-LE.A.4 MP3 MP7 MP8