Operations and Algebraic Thinking, Number and Operations in Base Ten, Measurement and Data

Description

First Grade mathematics is about
- Developing understanding of addition, subtraction, and strategies for addition and subtraction within 20
- Developing understanding of whole number relationships and place value, including grouping in tens and ones
- Developing understanding of linear measurement and measuring lengths as iterating length units
- Reasoning about attributes of, and composing and decomposing geometric shapes.

153 Instructional Days (153 Hours)