{"id":"SLJrxs8m","uri":"https://rocdata.global/USA/standardnodes/SLJrxs8m","jurisdiction":"https://rocdata.global/USA","document":"https://rocdata.global/USA/documents/DayhBeyn","parent":"https://rocdata.global/USA/standardnodes/SmenhrU7","kind":null,"subjects":[],"education_levels":[],"concept_terms":[],"children":[],"sort_order":1.0,"notation":"CCSS.Math.Content.2.OA.C.3","list_id":"","title":"","description":"Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.","language":null,"concept_keywords":null,"path":null,"canonical_uri":null,"source_uri":null,"source_id":"89","notes":"","date_created":"2020-12-17T17:26:55.291689Z","date_modified":"2020-12-17T17:26:55.291724Z","extra_fields":{},"level":4}