Colorado Academic Standards

Every Colorado math and English language arts standard, grade by grade, explained in plain English, with links to the official documents and the Common Core pages that line up.

What Colorado uses

Every Colorado standard is explained here in plain English, in our own words. The official wording is in the state's documents, linked below.

Colorado Mathematics Standards by Grade

Kindergarten9 standards 1st Grade11 standards 2nd Grade10 standards 3rd Grade11 standards 4th Grade12 standards 5th Grade11 standards 6th Grade10 standards 7th Grade9 standards 8th Grade10 standards

Colorado Reading, Writing, and Communicating Standards by Grade

Kindergarten10 standards 1st Grade10 standards 2nd Grade10 standards 3rd Grade10 standards 4th Grade10 standards 5th Grade10 standards 6th Grade10 standards 7th Grade10 standards 8th Grade10 standards Grades 9–1010 standards Grades 11–1210 standards

The official Colorado documents

2020 Colorado Academic Standards: Mathematics · adopted 2018 · since 2020-21
2020 Colorado Academic Standards: Reading, Writing, and Communicating · adopted 2018, readopted December 2024 · since 2020-21

The Common Core pages that line up

Where a state’s standard matches a Common Core standard word for word, the Common Core page is the fastest way to read it explained, with an example and practice.

Common Core Math229 standards Common Core ELA455 standards Common Core Literacy87 standards

Free practice

Worksheet generators and printables that fit the same skills, free to use.

Open the Free Tools

Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. Official wording from the Common Core State Standards PDFs at corestandards.org, last checked October 14, 2026.