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
Nearly identical to the national version but published for availability for the 2013-2014 school year, a New York edition of the CCSS-based mathematics curriculum draws on the expertise of master inst