How long does it take to pay off a loan? Pupils use a graph to model the sequence associated with paying off a loan. Using the graph, learners determine the initial value and the common difference of the arithmetic sequence. The learners find out the number of payments required to repay the debt.

Concepts

loans, arithmetic sequences, number sequence, sequences

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Additional Tags

math

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Instructional Ideas

• Lead a discussion on whether the graph of a sequence is continuous or discreet

Classroom Considerations

• Class members should be familiar with the general form of an arithmetic sequence
• Access to the interactive requires signing up for a free login account

Pros

• Allows the learner to visualize arithmetic sequences as linear
• Provides the option to reveal the correct answer if necessary

Cons

• None

Common Core

HSF-IF.A.3 HSF-BF.A.2