Number+and+Operations+in+Grades+K-2

1. Count, represent, read, compare, order and conserve (knows the total number does not change when configured differently) whole numbers

2. Develop understandings of addition and subtraction and strategies for basic addition facts and related subtraction facts

3. Express number as equivalent representations to fluently compose and decompose numbers

4. Develop fluency and quick recall of addition facts and related subtraction facts and fluency with multi-digit addition and subtraction

5. Estimate the answer to an addition or subtraction problem before computing, and determine whether the computer answer makes sense

6. Develop an understanding of whole number relationships, including grouping in tens and ones and apply place-value concepts

7. Understand fractional parts are equal shares or equal portions of a whole unit (a unit can be an object or a collection of things)