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Programs & methods
Finite Geometric Series Animated Proof - Math Activity
Students watch the proof for the finite geometric series formula come alive through an 8-phase animated walkthrough they control at their own pace. Stacked proportional rectangles shrink by the common ratio, and a clever subtraction cancels almost all terms - making S = a(1 - r^n)/(1 - r) visible and intuitive, not just memorized. WHAT'S INCLUDED- 10 worked examples with varying values - 8-phase animated proof walkthrough per example - Interactive scrubber timeline (play, pause, jump to any step
8th - 12th
Algebra 2, PreCalculus
Exponential Functions Notes Review Pre-algebra, Algebra, Pre- calculus
A comprehensive digital review covering the complete Algebra 1 exponential functions unit — from classifying growth vs. decay to writing equations and solving compound interest problems. Fully self-grading with no prep, no login, and no printing required. ★ WHAT'S COVERED (4 Topics) • Classify Exponential Functions — the f(x) = a · bˣ form, growth (b > 1) vs. decay (0 < b < 1), identifying from tables (constant ratio), graphs, and equations; growth rate r from the base; constant ratio
8th - 12th
Algebra, Algebra 2, PreCalculus
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