1. Math Drills
EasyManagement Consulted
An ex-Bain consultant explains how to prepare for case math with drills, and why the business insight at the end of a calculation matters more than the calculation itself. Watch it once, then go and drill.
Playlist
Case Math Speed School
Free3 videos, in order
The technique shelf in order: how drills work, the factoring tricks that make division easy, and the error-reduction habits that keep big numbers clean under pressure.
Every video plays through YouTube’s official embed player and belongs to the channel named on its row. Work down the list. The order is the curriculum.
2. How to improve you mental math speed & accuracy
Easyrocketblocks
RocketBlocks on the factoring techniques that turn ugly divisions into two easy ones, applied to the numerator, the denominator, or both. Short and mechanical, which is exactly what mental math practice should be.
3. Case Interview Math: Instantly Reduce Your Errors by 80%
MediumHacking the Case Interview
The shortcuts that keep case math clean without a calculator: friendly numbers, doubling and halving, and cancelling zeros before you divide. Pair the techniques here with timed drills until they are reflexes.
Finished the run?
Put the patterns to work while they are fresh. The playlist is the input. The practice floor is where it becomes a skill.