{"id":"SVR8e3bn","uri":"https://rocdata.global/USA/standardnodes/SVR8e3bn","jurisdiction":"https://rocdata.global/USA","document":"https://rocdata.global/USA/documents/DayhBeyn","parent":"https://rocdata.global/USA/standardnodes/S76ctUeA","kind":null,"subjects":[],"education_levels":[],"concept_terms":[],"children":[],"sort_order":3.0,"notation":"CCSS.Math.Content.2.NBT.B.7","list_id":"","title":"","description":"Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.","language":null,"concept_keywords":null,"path":null,"canonical_uri":null,"source_uri":null,"source_id":"102","notes":"","date_created":"2020-12-17T17:26:55.368425Z","date_modified":"2020-12-17T17:26:55.368455Z","extra_fields":{},"level":4}