Why is 0! = 1?

Sampling a discrete random variable

Introduction to Functions

Countdown Card Trick (3 of 3: Transforming the trick)

Occasional Address at University of Sydney (Oct 2022)

Building Bridges (Ultimate Classroom lesson)

Ultimate Classroom - new series starting this Sunday!

How hard is it to teach kids? (and a bunch of other questions)

Significant Figures

Whodunnit, Eddie Woo? New adventure mystery books!

Differentiating Exponential Functions continued (1 of 2: Review questions)

Differentiating Exponential Functions (1 of 2: Reviewing simple derivatives)

Intro to Mechanics (3 of 4: Simple harmonic motion - foundations)

Intro to Mechanics (2 of 4: Equations & kinematics)

Intro to Mechanics (1 of 4: Mathematics & physics)

Integration by Parts (1 of 2: Arranging the integral with DETAIL)

Integration with Quadratic Denominators (2 of 3: Distinguishing characteristics)

A mathemagical card trick!

Trigonometry in Right Triangles (1 of 5: Reviewing the ratios)

Vector Equation of a Line (2 of 2: Worked example)

Vector Equation of a Line (1 of 2: Lines in 3 dimensions)

Applications of Dot Products (1 of 2: Angles between vectors)

3D Dot Product (1 of 3: Foundational ideas)

Vector Proof: "Unspecial" Quadrilaterals & Parallelograms

Ratio Division with Vectors (1 of 2: Internal)