This set contains 12 hand-picked problems at AMC 10 difficulty levels 4–5 (the range where accuracy typically separates top scorers from everyone else).
Every problem targets a computation or reasoning trap that is statistically common among strong students working under time pressure.
Select an answer choice to see the full explanation immediately below it. Use the small square button beside each choice to cross it out — this does not submit an answer.
The on-screen calculator is a full Desmos graphing calculator. On the real AMC 10, no calculator is permitted — use it here only to verify your reasoning, not to shortcut it.
Use Print to generate a clean, color-free paper copy with an answer key on the final page.