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The SAT Score Vault

Every formula, Desmos shortcut, grammar rule and answer-trap that separates a 1200 from a 1500, in one file.

12 Desmos moves The 6 answer-traps Grammar decision tree 50+ formulas Test-day checklist

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What's actually in it

Not a formula sheet you could find anywhere. The things students lose points on that nobody tells them about.

12 Desmos moves

Bluebook ships Desmos and allows it for the whole Math section. Most students use it as a calculator. These are the twelve setups that turn an algebra problem into a graph you can read the answer off.

The 6 answer-traps

The wrong answers on the digital SAT are not random. Six patterns account for most of them, and once you can name a trap you stop walking into it.

A grammar decision tree

Every Standard English Conventions question resolves through a small number of yes-or-no checks. Follow the tree instead of reading for what "sounds right".

50+ formulas, and when they fire

Grouped by the question type that triggers them, not alphabetically, because knowing a formula and recognizing its moment are different skills.

Once you've read it

The Vault tells you what to do. The practice test tells you where you actually stand.