Fundamental Math Skill:
 Mastering math facts: Understanding and recalling math facts, using a variety of strategies.
– Focusing on the Fundamentals of Math – A Teacher’s Guide, p.2
Video Selections
These curated videos have been selected to prompt further thinking about the selection from the Teachers Guide to the Fundamentals of Math posted above.
Proficiency (2:10)
From "Leaders in Educational Thought: Special Edition on Mathematics (2013)"
Developing Automaticity (1:52)
From "Thoughts on Teaching & Learning Mathematics"
Text Resources
This curated list of documents have been selected to help you gain a deeper understanding of the above selection from “Focusing on the Fundamentals of Math – A Teachers Guide”. Each link will take you directly to the relevant section within the document.
The Mathematical Territory Between Direct Modelling and Proficiency, What Works 

A Guide to Effective Instruction in Mathematics K6, Vol 5, Teaching Basic Facts and Multidigit Computations 