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Lessons

Sigma Mastery

A comprehensive lesson on sigma notation where students master arithmetic, geometric, and infinite series through a hands-on rotation activity and collaborative problem-solving.

5

Factorial Fast Track

Students explore the rapid convergence of the infinite series for e, comparing the efficiency of factorials to the standard limit definition. The lesson bridges the gap between basic limits and the Taylor Series for e^x.

4

Euler's Constant Synthesis

An undergraduate-level exploration of Euler's number (e) that synthesizes its financial, analytical, and series-based definitions through a rigorous proof-based approach.

4

Golden Mean Convergence

Students will investigate the geometric mean property of the Fibonacci sequence, comparing estimations of high-index terms using geometric means versus the Golden Ratio method. The lesson explores the convergence of recursive sequences to geometric behavior for large n.

4

Golden Blueprint Discovery

Students will explore the mathematical connection between nature and geometry by calculating ratios of recursive sequences (Fibonacci and Lucas). Through this investigation, they will discover the Golden Ratio (Phi) and the concept of a mathematical limit.

3

Sigma Signal

A 12th-grade Pre-Calculus lesson focused on decoding, interpreting, and evaluating Sigma notation. Students transition from arithmetic series to the compact language of summation notation through video analysis and translation exercises.

3

The Formula Trap

This lesson focuses on identifying the specific conditions required to apply the infinite geometric series sum formula, specifically highlighting the common misconception of applying it to divergent series. students will engage in error analysis to solidify their understanding of convergence.

3

Infinite Limits Mastery

An 11th-grade lesson focusing on the derivation of the infinite geometric series formula using limits and the behavior of decaying exponential terms. Students explore convergence, analyze the transformation of the finite sum formula, and apply their findings to repeating decimals.

4

Sequences

Convergence Lab Tests

A rigorous unit for 12th-grade Calculus students focusing on the Integral Test, p-series, and Comparison Tests (Direct and Limit) to determine the convergence of positive-term infinite series. Students will build a logical framework for selecting the most efficient convergence test for various mathematical structures.

13

Series Blueprinting

This advanced sequence introduces powerful tools for analyzing series with factorials and powers, leading to the concept of power series. Students master the Ratio and Root tests, explore absolute versus conditional convergence, and conclude by connecting series to functions through Taylor polynomials.

21

Rigorous Proofs in Analysis

An undergraduate-level introduction to Real Analysis focusing on the formal epsilon-N definition of limits, proof construction, Cauchy sequences, and the Bolzano-Weierstrass Theorem. Students transition from computational calculus to rigorous mathematical proof.

10

Iterative Insights

This sequence explores numerical analysis through the lens of sequences, focusing on iterative methods to approximate solutions to complex equations. Students investigate fixed-point iteration, Newton's method, convergence rates, and the transition into chaotic behavior.

10

Infinite Destinations

This sequence guides undergraduate students from an intuitive understanding of sequence limits to rigorous analysis using algebraic laws, the Squeeze Theorem, L'Hôpital's Rule, and the Monotone Convergence Theorem. Students will explore how infinite processes behave as they approach infinity, bridging the gap between discrete sequences and continuous calculus.

11

Limits and Infinity Pedagogy

This graduate-level sequence explores the pedagogical content knowledge (PCK) needed to teach mathematical sequences and limits. It traces the historical development from Zeno's paradoxes to modern rigor, equipping educators to address common student misconceptions through inquiry-based instruction.

11

System Dynamics and Chaos

A graduate-level exploration of discrete dynamical systems, moving from linear growth models to the complex, chaotic behavior of the logistic map. Students apply recursive sequences to model biological and economic phenomena, emphasizing stability analysis and bifurcation theory.

10

Quantum Growth

This sequence bridges the gap between discrete mathematics and quantitative finance, focusing on the application of geometric series to asset valuation, loan amortization, and risk management. Graduate students will develop the mathematical foundations for pricing complex financial instruments and understanding market dynamics.

15

Infinity Bound Sequence

This sequence introduces 11th-grade students to the behavior of sequences and series as they approach infinity. Students explore convergence, divergence, summation notation, and the paradoxes of infinite geometric series and fractals.

15

Geometric Growth

A comprehensive unit for 11th Grade Calculus exploring geometric series through the lens of financial literacy and fractal geometry. Students transition from finite sums to infinite convergence, applying these models to population growth, Zeno's Paradox, and complex loan amortization.

10

Convergence Quest

An inquiry-based exploration of convergence tests for infinite series, focusing on visualization, logical justification, and strategic selection of testing methods. Students develop a comprehensive understanding of how to determine the behavior of unending sums.

14

Infinite Patterns

This sequence introduces 11th-grade students to the fundamental concepts of mathematical sequences, bridging the gap between algebra and calculus by exploring arithmetic and geometric progressions, recursive and explicit notation, and the behavior of sequences as they approach infinity.

15

Videos

Mastering Math with the Desmos Online Graphing Calculator

This comprehensive tutorial introduces students and educators to the Desmos online graphing calculator, a powerful and free tool for visualizing mathematics. The video begins with the basics of accessing the site and graphing simple functions like lines and parabolas, then progressively moves to more advanced topics including trigonometry, polar coordinates, and calculus operations. The narrator demonstrates not just how to plot graphs, but how to use the tool to solve equations, factor quadratics, and visualize systems of inequalities. Key mathematical themes include function families (linear, quadratic, cubic, absolute value, exponential, logarithmic), systems of equations and inequalities, trigonometry (degrees vs. radians), and statistical analysis (mean, standard deviation). The video also highlights the calculator's computational abilities, such as evaluating definite integrals, summations, and permutations, making it a versatile utility for various levels of math. For the classroom, this video serves as an excellent training resource for students transitioning from handheld calculators to computer-based tools. It allows teachers to show students how to verify their algebraic work visually, such as checking factors by looking at x-intercepts or solving systems by finding intersection points. The visual nature of the tool helps bridge the gap between abstract algebraic manipulation and concrete graphical understanding.

The Organic Chemistry Tutor

13mins 58s

What Is the Number e and How Do We Calculate It?

This educational video provides a comprehensive overview of the mathematical constant e, also known as Euler's number. It begins by defining e as an irrational number approximately equal to 2.718, commonly found in exponential functions and logarithms. The narrator then explores the origins of e through three distinct mathematical approaches: the formula for compound interest as the compounding frequency approaches infinity, the limit of (1 + n)^(1/n) as n approaches zero, and the infinite series of the reciprocals of factorials. Key themes include the relationship between discrete and continuous growth, the concept of limits and infinity in mathematics, and the unique properties of exponential functions in calculus. The video bridges the gap between algebraic financial formulas and advanced calculus concepts, demonstrating how a simple question about interest rates leads to the discovery of a fundamental constant of the universe. For educators, this video serves as an excellent bridge between Algebra II, Pre-Calculus, and Calculus. It visualizes abstract definitions, provides concrete numerical evidence for limits, and introduces the profound calculus properties of e^x—specifically that its slope and the area under its curve are equal to its value. This makes it a versatile tool for introducing the constant to beginners or deepening the understanding of advanced students studying derivatives and integrals.

The Organic Chemistry Tutor

12mins 11s