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Geometric Series Teacher Resources
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Students investigate geometric series. For this Algebra II/Pre-Calculus lesson, students use a spreadsheet application to create partial sums of geometric series and observe convergence and divergence. Students investigate the relationship between the behavior of the graph and the common ratio of the series. Students examine the formula for the sum of a divergent infinite geometric series.
Eleventh graders investigate infinite geometric series. In this Algebra II lesson, 11th graders explore partial sums of geometric series, converging and diverging series, and sums of infinite geometric series. The TI-nspire handheld and appropriate application are required.
In this Algebra II activity, 11th graders use their knowledge of infinite geometric series to solve problems such as determine in the sum of a series, solving word problems, and converting repeating decimals to fractions. The one page activity contains sixteen problems. Answers are not included.
Serving as an introduction to the idea of geometric sequences, this video defines the concept as "a special sequence of numbers where each successive number Is a fixed multiple of the number before it." Sal works slowly in the beginning, then picks up the pace as he solves word problems throughout the rest of the presentation.