{"id":"S3kEjXPj","uri":"https://rocdata.global/USA/standardnodes/S3kEjXPj","jurisdiction":"https://rocdata.global/USA","document":"https://rocdata.global/USA/documents/DayhBeyn","parent":"https://rocdata.global/USA/standardnodes/SWeXDmzj","kind":null,"subjects":[],"education_levels":[],"concept_terms":[],"children":[],"sort_order":2.0,"notation":"CCSS.Math.Content.1.NBT.C.5","list_id":"","title":"","description":"Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.","language":null,"concept_keywords":null,"path":null,"canonical_uri":null,"source_uri":null,"source_id":"67","notes":"","date_created":"2020-12-17T17:26:55.168156Z","date_modified":"2020-12-17T17:26:55.168199Z","extra_fields":{},"level":4}