Articles
Guides and resources about math education.
Arithmetic Sequences: Patterns That Keep Adding Up
The same step, over and over, is a pattern with an address system. Learn terms, the common difference, and the one shortcut that fast-forwards to the 50th number without writing forty-nine of them.
The Coordinate Plane: Plotting Points That Connect
An address for every dot on the map. Learn the x-then-y rule, tour the four quadrants, and see how plotting points becomes drawing — chessboards, GPS, and game worlds all speak this language.
Reading Graphs and Charts: Letting Data Tell a Story
A bar is a sentence and a line is a plot twist. Learn the four questions that unlock any chart, which graph to choose for which job, and how a shifted axis can make the same data tell two different lies.
Mean, Median and Mode: Getting to the Middle of Data
Three reporters, three different questions. Learn the fair-share mean, the halfway median, and the people's-choice mode — and why one spreadsheet of homework minutes makes them argue.
Experimental vs Theoretical Probability: Why Predictions Fall Short
Theory says a spinner is one-third red; thirty real spins always wobble. Learn how experimental and theoretical probability compare, why small samples lie, and when the lab — not the formula — is the only honest answer.
Rate and Unit Rate: Comparing Speeds, Prices and Strength
A unit rate is the fairness ruler of math: strip every deal, athlete, and mix down to 'per one' and the winner appears. Learn to compare prices, speeds, and strength without the bulk illusion.