StudyChamp Blog
Remember and Solve
A number appears for a moment, then hides. Keep it in mind: it becomes the ? in the calculation that follows, so you remember and calculate at the same time.
What it trains
- Working memory
- Calculating while holding a number in mind
- Focus over a short delay
Questions
What makes the levels harder?
Easy asks you to remember a number up to 9 and add. Normal uses numbers up to 20 with addition or subtraction. Hard uses numbers from 10 to 50, kept in mind for longer.