{"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.5.NF.A.1","label":"fraction addition, fraction subtraction, unlike denominators; calculate, convert, explain.","public_slug":"curratom-us-ccss-5-nf-a-1","route":"/math/standards/us-ccss/curratom-us-ccss-5-nf-a-1","data_json_route":"/math/data/standards/us-ccss/curratom-us-ccss-5-nf-a-1.json","data_markdown_route":"/math/data/standards/us-ccss/curratom-us-ccss-5-nf-a-1.md","skill_count":6,"skills":[{"title":"Add Same Denom Unit","route":"/math/skills/frac/add-same-denom-unit","family_name":"Fraction Equivalence, Comparison, and Operations","standards":[]},{"title":"Add Unlike Denom Related","route":"/math/skills/frac/add-unlike-denom-related","family_name":"Fraction Equivalence, Comparison, and Operations","standards":[]},{"title":"Equivalent Basic Visual","route":"/math/skills/frac/equivalent-basic-visual","family_name":"Fraction Equivalence, Comparison, and Operations","standards":[]},{"title":"Equivalent Generate","route":"/math/skills/frac/equivalent-generate","family_name":"Fraction Equivalence, Comparison, and Operations","standards":[]},{"title":"Sub Same Denom","route":"/math/skills/frac/sub-same-denom","family_name":"Fraction Equivalence, Comparison, and Operations","standards":[]},{"title":"Sub Unlike Denom Related","route":"/math/skills/frac/sub-unlike-denom-related","family_name":"Fraction Equivalence, Comparison, and Operations","standards":[]}],"crawler_summary":"CCSS.5.NF.A.1 maps to 6 math skills."}}