training - feel free to get a head start on training

You might like to watch and listen to this 5 minute overview and answer the quiz

Talk at ICTMT 14 at Duisburg-Essen University

14th International Conference on Technology in Mathematics Teaching 

A 5 slide, 5 minute talk Quiz 

... or perhaps you would prefer to read about the problems and both parts of the solution

The problems 

Forgetting quickly and

Weak learning foundations

The solution part 1

Extend duration of long term memory

by repeated retrieval practice

The solution part 2

Effectively increase working memory

by a tightly spiralled scheme of learning

You may then want to read more about research or find out how timely practice helps teachers apply the two part solution