Choose your practice course

Study with original short lessons, focused questions and worked feedback. The 15 course practice packs below are available in this version.

• ACT — 202 original practice questions, 38 lessons.
• AP Calculus AB — 172 original practice questions, 24 lessons.
• AP Calculus BC — 221 original practice questions, 33 lessons.
• AP Computer Science A — 161 original practice questions, 33 lessons.
• AP Macroeconomics — 125 original practice questions, 26 lessons.
• AP Microeconomics — 122 original practice questions, 26 lessons.
• AP Physics 1: Algebra-Based — 152 original practice questions, 29 lessons.
• AP Precalculus — 101 original practice questions, 22 lessons.
• AP Psychology — 147 original practice questions, 35 lessons.
• AP Statistics — 168 original practice questions, 31 lessons.
• CLEP College Algebra — 113 original practice questions, 22 lessons.
• PSAT 10 — 151 original practice questions, 28 lessons.
• PSAT 8/9 — 139 original practice questions, 27 lessons.
• PSAT/NMSQT — 151 original practice questions, 28 lessons.
• SAT — 192 original practice questions, 30 lessons.

Start with the subject you need

Read a lesson, try a fresh question, then compare your reasoning with its explanation. Normal practice and all included lessons and questions are free. Optional custom practice controls are offered in the Apple app.

Choose a course in Merit Lab

These are practice betas, not complete exam simulations or official score predictions. Read the coverage and review limits.