{"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.4.NF.A.1","label":"equivalent fractions, fraction models; explain, represent, generate.","public_slug":"curratom-us-ccss-4-nf-a-1","route":"/math/standards/us-ccss/curratom-us-ccss-4-nf-a-1","data_json_route":"/math/data/standards/us-ccss/curratom-us-ccss-4-nf-a-1.json","data_markdown_route":"/math/data/standards/us-ccss/curratom-us-ccss-4-nf-a-1.md","skill_count":4,"skills":[{"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":"Equivalent Number Line","route":"/math/skills/frac/equivalent-number-line","family_name":"Fraction Equivalence, Comparison, and Operations","standards":[]},{"title":"Represent Number Line General","route":"/math/skills/frac/represent-number-line-general","family_name":"Fractions as Parts, Wholes, and Fair Shares","standards":[]}],"crawler_summary":"CCSS.4.NF.A.1 maps to 4 math skills."}}