Master before moving on
Harder topics wait until the foundation can carry the next idea.
The learning science matters most when it changes the next task a student receives.
Harder topics wait until the foundation can carry the next idea.
A shaky hard topic often points to a smaller earlier skill that needs repair.
Fragile ideas return before they fade into bigger gaps.
Students mix methods after the pieces are ready, not before.
Mentora keeps practice narrow when a skill is fragile, then broadens into review and mixed questions when the foundation can carry more.
Generic revision
Mentora
Learn how mastery, cognitive load, worked examples, spaced review, and mixed practice shape the path.