Core arithmetic fluency (Zetamac-style):
- 2-3 digit addition and subtraction
- Multiplication and division by small integers (3-15)
- Numbers stay in a mental-math range with no decimals
Every question has a 30 second shot clock. If time runs out, the question auto-skips and counts as a timeout.
Drill specific operations (tap to toggle — leave all on for the full mix):