How Four Little Numbers Can Bend a Whole Grid
Change four numbers and watch a square spin, stretch, and lean, and see how the same idea powers every layer of a neural network.
Subject · 11 posts
mathematics
How to Measure a Curvy Shape
A friendly first look at how covering a curve with thin blocks helps you measure areas, distances, and totals.
The Line That Learns to Guess
A gentle beginner guide to the line of best fit, the simple idea behind a tiny web game and the ancestor of much machine learning.
You Can Guess How Many Without Counting
Dots flash and you guess how many there were, a simple game that grows the built-in number sense behind good estimation.
Pizza Fractions Made Simple
See what fractions really mean by looking at a shaded pizza and choosing the fraction that matches, then learn why two quarters equals one half.
Point an Arrow, Meet an Angle
Turn an arrow to aim at a dot, read the angle off a protractor, and learn what an angle really means with a tiny web game.
How an Ancient Game Finds Hidden Prime Numbers
Cross out the multiples and the prime numbers are what survive, a simple two thousand year old trick you can try in a quick game.
How Steep Is the Hill Right Here
Slide a dot along a hill and watch how steep the curve is, a warm and simple first taste of what calculus really means.
Times Race and the Magic of Quick Recall
Times Race is a quick game that builds fast times table recall, freeing your mind for the harder maths that comes later.
Two Arrows and One Friendly Number
A gentle beginner guide to the dot product, using two draggable arrows to show how much they agree and why AI attention relies on it.
What Comes Next in a Row of Numbers
Spot the hidden rule behind a run of numbers, name it, and you can predict the next number and every one after it forever.