Second Grade is built on the national frameworks that most state standards are based on or closely resemble: the Common Core State Standards for math and English language arts, the national K-12 science framework (the Next Generation Science Standards*), and the C3 Framework for social studies. Every lesson lists the standard it teaches.
Colorado Academic Standards: Mathematics (2020)
Based on the Common Core, with the state's own changesAdopted 2018
Colorado's math standards include all of Common Core, arranged in Colorado's own format. The version in use was adopted in 2018 and took effect in 2020. The State Board approved further revisions in May 2026, focused on high school.
Official standards (opens in a new tab)Colorado Academic Standards: Reading, Writing, and Communicating (2020)
Based on the Common Core, with the state's own changesAdopted 2018
Includes all of Common Core ELA in Colorado's format. Adopted in 2018 and re-adopted without changes in December 2024.
Official standards (opens in a new tab)Colorado Academic Standards: Science (2020)
Based on the national science framework, with the state's own changesAdopted 2018
Adopted in June 2018 and largely based on the Next Generation Science Standards*; targeted revisions were approved in August 2025. Grade 2 covers matter, plants and habitats, and changes to the land.
Official standards (opens in a new tab)Colorado Academic Standards: Social Studies (2022)
The state's own standards
Adopted in November 2022 and fully in effect since August 2024. Grade 2 covers history from sources, how cultures shape communities, maps and the environment, scarcity, personal financial literacy, and community leaders.
Official standards (opens in a new tab)Social studies: a personal financial literacy standard asks children to weigh costs and benefits to make money choices.
CoveredCovered in Weeks 28 and 29, where your child weighs saving against spending and uses a decision chart to see what each choice costs.
Social studies: children describe how people of many cultures have shaped neighborhoods and communities over time; the standards name specific groups.
Partly coveredWeek 32 teaches culture and traditions, and Week 21 teaches Native nations that live today. Look up the groups the Colorado standard names, then spend 15 minutes with a library book on one group and how its people helped shape a Colorado community.
Verified: 2026-09-30. Standards change; always check your state's official page.