In Kindergarten, instructional time should focus on two critical areas: (1) representing and comparing whole numbers, initially with sets of
objects; (2) describing shapes and space. More learning time in Kindergarten should be devoted to number than to other topics.
•Standards for Mathematical Practice
•Descriptive Analysis of Kindergarten Objectives
Developing Number Sense
These are short professional development sessions (5-10 minutes) on the identified concepts.
Developing Fluency in Kindergarten Students
NCTM Resources