Section III · drill
Check the units before the arithmetic and read the axes before the curve. Each question names the move that carries to the next one.
Session length
How this picks questions. Anything you got wrong comes back first, then whatever is overdue, then questions you have not seen. Getting one right pushes it further out, and further still when you answer under exam pace. Nothing you answered in the last few hours reappears.
On these items. All stimuli are written for this site, with values chosen so the arithmetic resolves cleanly. Real Section III questions are frequently harder to read than they are to solve — practise extracting the one relevant number from a paragraph that contains five.