{"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.NBT.A.1","label":"place value, powers of ten, multi digit numbers; interpret, explain.","public_slug":"curratom-us-ccss-4-nbt-a-1","route":"/math/standards/us-ccss/curratom-us-ccss-4-nbt-a-1","data_json_route":"/math/data/standards/us-ccss/curratom-us-ccss-4-nbt-a-1.json","data_markdown_route":"/math/data/standards/us-ccss/curratom-us-ccss-4-nbt-a-1.md","skill_count":2,"skills":[{"title":"Whole Number Powers of 10","route":"/math/skills/nbt/whole-number-powers-of-10","family_name":"Base-Ten Place Value and Whole-Number Notation","standards":[]},{"title":"Integer exponent properties","route":"/math/skills/prealg/exponents-integer-properties","family_name":"Equations, Variables, Expressions, and Inequalities","standards":[]}],"crawler_summary":"CCSS.4.NBT.A.1 maps to 2 math skills."}}