This is not a substitute for weeks of studying. It is what you skim the night before to keep the highest-yield facts loaded in short-term memory.
Math
- Percent change = (new − old) / old × 100
- Slope = (y₂ − y₁) / (x₂ − x₁)
- Area of a circle = πr² | Circumference = 2πr
- 1 kg ≈ 2.2 lb | 1 in = 2.54 cm | 1 L ≈ 33.8 fl oz
- Dosage: (desired / have) × quantity
Grammar
- Use a comma before a coordinating conjunction (FANBOYS) joining two independent clauses.
- Semicolons join two related independent clauses.
- Its = possessive. It's = it is.
- Who = subject. Whom = object.
- Fewer for countable, less for uncountable.
Science quick hits
- Cardiac blood flow: RA → RV → pulmonary artery → lungs → pulmonary vein → LA → LV → aorta.
- Nephron order: Bowman's capsule → PCT → loop of Henle → DCT → collecting duct.
- Meiosis makes 4 haploid cells. Mitosis makes 2 diploid cells.
- pH < 7 acidic, pH > 7 basic. Blood pH ~7.35–7.45.
- ATP is produced in the mitochondria via cellular respiration.
Reading
For every passage, name the main idea in one sentence before you look at the questions. If a question asks about tone, look for adjectives and adverbs. If it asks about author's purpose, look at the last paragraph.
Test-day
- Sleep 7–8 hours. Do not cram past 9 PM.
- Eat protein and complex carbs an hour before.
- Arrive 30 minutes early with two IDs.
- Answer every question — there is no penalty for guessing.
- Flag and move on when stuck. Come back with fresh eyes.



