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Hitting, pitching, base paths, and classic stats.
Sports math applies real formulas to the games students follow: batting average and ERA in baseball, shooting percentages in basketball, passer rating in football, xG and group-stage points for soccer, plus golf and volleyball stats and the physics of speed, distance, and projectile motion.
Each sport pairs a plain-language formula with a calculator and links to the Formula Library, turning stats and game situations into approachable practice for ratios, percentages, and algebra.
6 formulas
Hits divided by at-bats; the classic hitting rate (shown to three decimals).
Slugging percentage (SLG): total bases from hits (single=1, double=2, triple=3, home run=4) divided by at-bats.
Earned run average (ERA): earned runs allowed per nine innings (lower is better for the pitcher).
After contact, the ball rises and falls on a parabola until it lands or is caught.
Straight-line distance between two bases on a scaled diamond diagram.
Share of plate appearances where the batter reaches base (hits, walks, hit-by-pitch; sacrifices in the denominator).