HiSET Cheat Sheet
High-yield HiSET formulas and reading/writing habits. Confirm rules on hiset.org (PSI). Free · no login.
Writing fixes
Complete fragments; keep parallel lists; prefer precise verbs over vague intensifiers.
Math anchors
Percent = part/whole; cross-multiply proportions; area formulas for rectangles and triangles.
Evidence habit
For reading and social studies, answer with passage evidence — not outside trivia.
Official sources
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