[🏆] mental-math drill
Date: 2025-07-17
Time Spent: 30m
🔥 What I Did
- drilled mental math:
- reciprocals and multiples to ballpark stuff
- percentage and estimation.
🎯 Why It Matters
- because i love math.
- because these are practical as fuck. gets used EVERYWHERE.
🧠 What I Learned
- how to estimate percentages. (eg. 12.5% is half of half of half.)
🪓 Next Step
- get more speed + accuracy balance