In Grade 1, instructional time should focus on four critical areas: (1) developing understanding of addition, subtraction and strategies for addition and subtraction within 20; (2) developing understanding of whole number relationships and place value, including grouping in tens and ones; (3) developing understanding of linear measurement and measuring lengths as iterating length units; and (4) reasoning about attributes of and composing and decomposing geometric shapes.
•Standards for Mathematical Practice
•Descriptive Analysis of First Grade Objectives
•Developing Number Sense
These are short professional development sessions (5-10 minutes) on identified concepts.
•Developing Fluency in First Grade Students