{"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.2","label":"Read and write multi-digit whole numbers and compare two multi-digit numbers.","public_slug":"4-nbt-a-2","route":"/math/standards/us-ccss/4-nbt-a-2","data_json_route":"/math/data/standards/us-ccss/4-nbt-a-2.json","data_markdown_route":"/math/data/standards/us-ccss/4-nbt-a-2.md","skill_count":1,"skill_ids":["nbt.large-numbers.to-million"],"crawler_summary":"CCSS.4.NBT.A.2 maps to 1 AXIO Math Map skill."},"skills":[{"id":"nbt.large-numbers.to-million","title":"Large numbers to one million","route":"/math/skills/nbt/large-numbers-to-million","family_name":"Base-Ten Place Value and Whole-Number Notation"}]}