{"id":"SNknTbnh","uri":"https://rocdata.global/USA/standardnodes/SNknTbnh","jurisdiction":"https://rocdata.global/USA","document":"https://rocdata.global/USA/documents/DayhBeyn","parent":"https://rocdata.global/USA/standardnodes/SMJbbnas","kind":null,"subjects":[],"education_levels":[],"concept_terms":[],"children":[],"sort_order":2.0,"notation":"CCSS.Math.Content.1.OA.C.6","list_id":"","title":"","description":"Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).","language":null,"concept_keywords":null,"path":null,"canonical_uri":null,"source_uri":null,"source_id":"52","notes":"","date_created":"2020-12-17T17:26:55.081814Z","date_modified":"2020-12-17T17:26:55.081844Z","extra_fields":{},"level":4}