Choose one operation
Focus on one narrow skill at a time, such as addition within a particular number range.
Use mixed recall
After a few focused examples, mix in older questions so you practice retrieving the skill.
Slow down when accuracy drops
Speed is useful only after the underlying process is reliable. Review errors before increasing pace.
Finish with reflection
Write down one type of problem that still feels difficult and make it the focus of your next session.
Practical takeaway
Choose one idea from this article and apply it during your next learning session. Small, repeatable improvements are easier to maintain than complicated routines.