MATH U101 · Daily drill · 20 minutes
Daily Drill Sheet
Ten differentiation & integration mechanics problems — power, product, quotient, chain; sin, cos, ex, ln x. A fresh randomized sheet every visit. This is the fluency engine of the catch-up plan.
How to drill
Work on paper, timed, no notes — the goal is speed and zero hesitation, not novelty. Press start, do all ten, then reveal the answers and mark yourself. Anything you missed: open its "see the method" line, find the exact step that broke, and log it in the error log. Under 12 minutes with everything right is solid; under 10 is the BITSAT-level fluency this drill exists to build. One sheet a day beats three on Sunday.