Fundamental Math Skill:
 Working with numbers: Understanding and using numbers (e.g., being able to read, represent, count, order, estimate, compare, compose, decompose, and recompose numbers).
– 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.
Thinking About Working With NumbersWorking With Whole NumbersComposing Decomposing And Recomposing NumbersWorking With FractionRepresenting FractionsComparing And Ordering FractionsFractions Decimals And RatiosMultiples Factors Squares And Square Roots
Daniel Ansari  Number Symbols and Representations (1:55)
From "Leaders in Mathematical Thinking 2016"
Early Number Development (3:16)
From "Leaders in Mathematical Thinking 2016"
Strategically Working With Numbers (1:54)
From "Leaders In Mathematical Thinking"
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.
A Guide to Effective Instruction in Mathematics, Gr. K6, Number Sense and Numeration Vol 5, Fractions 

A Guide to Effective Instruction in Mathematics, Gr. K6, Number Sense and Numeration Vol 1, The Big Ideas 

A Guide to Effective Instruction in Mathematics Gr. 46, Number Sense and Numeration, Vol 6, Decimal Numbers 

The Mathematical Territory Between Direct Modelling and Proficiency, What Works 

Student Interactions in the Math Classroom: Stealing Ideas or Building Understanding – What Works 

Asking Effective Questions – Capacity Building Series 