TY  - BOOK
AU  - Barth, April 
TI  - Common Core Mathematics: Practice at 3 levels 
SN  - 9781612691992
AV  - QA 13 .B37 2016 
PY  - 2016///
CY  - Huguenot Street 
PB  - Newmark Learning 
KW  - Mathematics-study and teaching(elementary)-standards-United States
KW  - Professional learning communities
ER  -