{"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.1.OA.D.7","label":"Understand the meaning of the equal sign and determine if equations are true or false.","public_slug":"1-oa-d-7","route":"/math/standards/us-ccss/1-oa-d-7","data_json_route":"/math/data/standards/us-ccss/1-oa-d-7.json","data_markdown_route":"/math/data/standards/us-ccss/1-oa-d-7.md","skill_count":1,"skill_ids":["prealg.equation.balance"],"crawler_summary":"CCSS.1.OA.D.7 maps to 1 AXIO Math Map skill."},"skills":[{"id":"prealg.equation.balance","title":"Balancing equations","route":"/math/skills/prealg/equation-balance","family_name":"Equations, Variables, Expressions, and Inequalities"}]}