{"system":{"system_id":"us_ccss","public_slug":"us-ccss","label":"US Common Core Math","official_source_urls":["https://thecorestandards.org/Math/","https://thecorestandards.org/standards-in-your-state/"]},"standard":{"system_id":"us_ccss","system_slug":"us-ccss","system_label":"US Common Core Math","code":"CCSS.1.OA.A.2","label":"addition, three addends, word problems; solve, represent.","public_slug":"curratom-us-ccss-1-oa-a-2","route":"/math/standards/us-ccss/curratom-us-ccss-1-oa-a-2","data_json_route":"/math/data/standards/us-ccss/curratom-us-ccss-1-oa-a-2.json","data_markdown_route":"/math/data/standards/us-ccss/curratom-us-ccss-1-oa-a-2.md","skill_count":2,"skills":[{"title":"Add Sub Word Problems One Step","route":"/math/skills/oa/add-sub-word-problems-one-step","family_name":"Operations Models, Bar Models, and Word Problems","standards":[]},{"title":"Add Within 20 Strategies","route":"/math/skills/oa/add-within-20-strategies","family_name":"Whole-Number Operations and Fact Fluency","standards":[]}],"crawler_summary":"CCSS.1.OA.A.2 maps to 2 math skills."}}