Free ACT & SAT Cheat Sheet

This pocket study guide covers the Enhanced ACT and the Digital SAT. JavaScript must be enabled to use the interactive flashcards, search, and tabs.

Formulas — must-know SAT and ACT math formulas for algebra, geometry, and trigonometry.
Grammar rules — the patterns that drive most ACT English and SAT Writing questions.
Reading strategies — how to skim, find evidence, and avoid trap answers.
ACT Science tactics — read graphs, tables, and trends instead of the prose.
Flashcards — quick high-yield drill cards.
Test-day checklist — what to pack, eat, and review the night before.

For official rules and updates, see SAT Suite and ACT.org.