We are not afiliated with the National Governors Association Center for Best Practices (NGA Center) or the Latex equation editor mac of Chief State School Officers (CCSSO) which coordinate the CCSS initiative. According to the CCSS, in second grade, students should focus on four critical areas: a) extending understanding of base-ten notation, b) building fluency with addition and subtraction, c) using
grand theft auto iv units of measure, d) latex equation editor mac and analyzing shapes. OA: Students need to represent and solve problems involving addition and subtraction, to add and subtract within 20 and to equatkon with equal groups of objects to gain foundations for multiplication.