How do you make a penny grow to $5,000 in just 15 days? Use the examples in this lesson plan to explore the concept of exponential growth and its comparison to linear models. Pupils come to understand that exponential growth eventually exceeds linear growth. 

Concepts

exponential growth, exponential models, geometric sequences

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Additional Tags

math

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Instructional Ideas

• Use collaborative groups with each exercise to encourage discussion
• Graph the models in each example to compare the exponential models to the linear models

Classroom Considerations

• Assumes an understanding of geometric and arithmetic sequences and formulas
• The fifth in a series of 26 related resources

Pros

• Resource contains well-designed examples to illustrate exponential growth and its characteristics
• Includes all handouts, keys, and a detailed teacher guide
• Opening exercise and exit ticket are provided

Cons

• None

Common Core

HSF-IF.A.1 HSF-IF.A.2 HSF-IF.A.3 HSF-IF.B.6 HSF-BF.A.1.a HSF-LE.A.1.a HSF-LE.A.2 HSF-LE.A.3 MP4