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 The Emphases  in  Common  Core  Standards  for  Mathematical  Content Grades K-8 describes  content  emphases  in  the  standards   for  each  grade.  These  are  provided  because  curriculum,  instruction  and  assessment  at  each  grade  must  reflect  the  focus  and  emphasis  of  the  standards.  

  

 Not  all  of  the  content  in  a  given  grade  is  emphasized  equally  in  the  standards.  The  list  of  content  standards  for  each  grade  is  not  a  flat,  onedimensional  checklist;  this  is  by  design.  There  are  sometimes  strong  differences  of  emphasis  even  within  a  single  domain.  Some  clusters  require  greater  emphasis  than  the  others  based  on  the  depth  of  the  ideas,  the  time  that  they  take  to  master,  and/or  their  importance  to  future  mathematics  or  the  demands  of  college  and  career  readiness.  In  addition,  an  intense  focus  on  the  most  critical  material  at  each  grade  allows  depth  in  learning,  which  is  carried  out  through  the  Standards  for  Mathematical  Practice.  Without  such  focus,  attention  to  the  practices  would  be  difficult  and  unrealistic,  as  would  best  practices  like  formative  assessment.  

  

 Therefore,  to  make  relative  emphases  in  the  standards  more  transparent  and  useful,  the  NY  Math  Emphases  designate  clusters  as  Major,  Additional  and  Supporting  for  the  grade  in question.  

Major  clusters  –  areas  of  intensive  focus,  where  students  need  fluent  understanding  and application  of  the  core  concepts  (approximately  75%).  

  

Supporting  clusters  –  rethinking  and  linking;  areas  where  some  material  is  being  covered, but  in  a  way  that  applies  core  understandings  (approximately  20%).

 

Additional  Clusters  –  expose  students  to  other  subjects,  though  at  a  distinct,  level  of depth and  intensity  (approximately  10%).