PA.2.1. Numbers, Number Systems and Number Relationships
2.1.2.A. Demonstrate the relationship between numbers and quantities, including place value; one-to-one correspondence; rote counting; counting by twos, fives and tens; and comparing values of whole numbers up to 500.
PA.2.2. Computation and Estimation
2.2.2.A. Develop fluency in the use of basic facts for addition and subtraction