{"system":{"system_id":"uk_england_nc","public_slug":"uk-england-nc","label":"England National Curriculum: Mathematics","official_source_urls":["https://www.gov.uk/government/publications/national-curriculum-in-england-mathematics-programmes-of-study/national-curriculum-in-england-mathematics-programmes-of-study","https://www.gov.uk/national-curriculum"]},"standard":{"system_id":"uk_england_nc","system_slug":"uk-england-nc","system_label":"England National Curriculum: Mathematics","code":"England Y4 Measurement rectilinear area perimeter","label":"area, perimeter, rectilinear figures; calculate, count, measure.","public_slug":"curratom-england-nc-y4-measurement-area-and-perimeter-find-area-by-counting-squares-calculate-perimeter","route":"/math/standards/uk-england-nc/curratom-england-nc-y4-measurement-area-and-perimeter-find-area-by-counting-squares-calculate-perimeter","data_json_route":"/math/data/standards/uk-england-nc/curratom-england-nc-y4-measurement-area-and-perimeter-find-area-by-counting-squares-calculate-perimeter.json","data_markdown_route":"/math/data/standards/uk-england-nc/curratom-england-nc-y4-measurement-area-and-perimeter-find-area-by-counting-squares-calculate-perimeter.md","skill_count":5,"skills":[{"title":"Area Composite Rectilinear","route":"/math/skills/measure/area-composite-rectilinear","family_name":"Geometric Measurement","standards":[]},{"title":"Area Count Square Units","route":"/math/skills/measure/area-count-square-units","family_name":"Geometric Measurement","standards":[]},{"title":"Area Rectangles Array","route":"/math/skills/measure/area-rectangles-array","family_name":"Geometric Measurement","standards":[]},{"title":"Perimeter Composite Rectilinear","route":"/math/skills/measure/perimeter-composite-rectilinear","family_name":"Geometric Measurement","standards":[]},{"title":"Exponents Squares Cubes","route":"/math/skills/prealg/exponents-squares-cubes","family_name":"Equations, Variables, Expressions, and Inequalities","standards":[]}],"crawler_summary":"England Y4 Measurement rectilinear area perimeter maps to 5 math skills."}}