{"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.NBT.C.6","label":"subtraction, multiples of ten, place value; calculate, model, explain.","public_slug":"curratom-us-ccss-1-nbt-c-6","route":"/math/standards/us-ccss/curratom-us-ccss-1-nbt-c-6","data_json_route":"/math/data/standards/us-ccss/curratom-us-ccss-1-nbt-c-6.json","data_markdown_route":"/math/data/standards/us-ccss/curratom-us-ccss-1-nbt-c-6.md","skill_count":2,"skills":[{"title":"Sub Two Digit No Regroup","route":"/math/skills/nbt/sub-two-digit-no-regroup","family_name":"Whole-Number Operations and Fact Fluency","standards":[]},{"title":"Multiples Basic","route":"/math/skills/oa/multiples-basic","family_name":"Whole-Number Operations and Fact Fluency","standards":[]}],"crawler_summary":"CCSS.1.NBT.C.6 maps to 2 math skills."}}