In Eureka Math, Pre-Kindergarten mathematics is about developing an understanding of whole numbers using concrete materials, including concepts of correspondence, counting, cardinality, and comparison
With Common Core Mathematics, second graders learn about (1) extending understanding of base-ten notation; (2) building fluency with addition and subtraction; (3) using standard units of measure; and
With Common Core Mathematics, first graders learn about (1) developing understanding of addition, subtraction, and strategies for addition and subtraction within 20; (2) developing understanding of wh
