Maths: Age 18

7 illustrated Maths lessons for Age 18.

Counting successes on a Galton board The binomial distribution B(n, p) gives the number of successes X in n independent trials, where each trial su…
Logarithm mirrors the exponential The natural logarithm undoes the exponential function: if y = eˣ, then x = ln y. Their graphs are reflections …
Area under a curve with rectangles The definite integral of a continuous positive function between two values is the area of the region under its…
Inverse Graphs The natural logarithm undoes the exponential function. Their graphs are reflections of each other across the l…
Area under a curve For a positive function, the integral between two bounds is the area caught between its graph and the horizont…
Bouncing Balls on Pegs A binomial distribution B(n, p) counts successes in n independent trials, each with success probability p. Its…
Branches of a Probability Tree A probability tree starts at one point and splits into branches, and each branch carries the chance of that si…