{"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.2.NBT.B.6","label":"addition, multi addend, two digit numbers; calculate, explain.","public_slug":"curratom-us-ccss-2-nbt-b-6","route":"/math/standards/us-ccss/curratom-us-ccss-2-nbt-b-6","data_json_route":"/math/data/standards/us-ccss/curratom-us-ccss-2-nbt-b-6.json","data_markdown_route":"/math/data/standards/us-ccss/curratom-us-ccss-2-nbt-b-6.md","skill_count":2,"skills":[{"title":"Place Value Tens Ones","route":"/math/skills/nbt/place-value-tens-ones","family_name":"Base-Ten Place Value and Whole-Number Notation","standards":[]},{"title":"Operations Properties Apply","route":"/math/skills/oa/operations-properties-apply","family_name":"Equations, Variables, Expressions, and Inequalities","standards":[]}],"crawler_summary":"CCSS.2.NBT.B.6 maps to 2 math skills."}}