1st Grade ELA (Colorado Academic Standards)
Your Teacher Information Pack for 1st Grade ELA in Colorado: the standards with their official codes, the state tests and the official links. Check what you're teaching and plan a lesson.
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- State
- Colorado
- Grade
- Grade 1
- Standards
- Colorado Academic Standards: Reading, Writing, and Communicating (2020 CAS)
- Last checked
- 2026-10-21
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The standards (our summaries)
Colorado's official codes with our own short summaries (not the official wording). Each code links to the official document.
Standard 1: Oral Expression and Listening
- RWC.1.1.1 Share and take in information through words, gestures and body language. (being checked)
- 1. Join group talks with different partners about grade 1 topics and texts.
- 1.a. Follow agreed discussion rules such as listening carefully and taking turns.
- 1.b. Keep conversations going by responding to others over several exchanges.
- 1.c. Ask questions when something in a discussion is unclear.
- 2. Ask and answer questions about main details from read-alouds or media.
- 3. Ask and answer questions about a speaker's words to find out more or clear things up.
- RWC.1.1.2 Use several methods to build speaking skills. (being checked)
Standard 2: Reading for All Purposes
- RWC.1.2.1 Use basic reading strategies to read and understand stories and poems fluently. (being checked)
- 1. Key ideas and details
- 1.a. Ask and answer questions about important details in a story.
- 1.b. Retell stories with key details and explain the central message or lesson.
- 1.c. Describe characters, settings and big events using key details.
- 1.d. Predict what will happen, then check predictions against evidence in the text.
- 2. Craft and structure
- 2.a. Spot words and phrases in a story or poem that show feelings or call on the senses.
- 2.b. Explain big differences between storybooks and informational books.
- 2.c. Identify who is telling the story at different points.
- 2.d. Follow and reproduce the patterns in predictable poems.
- 3. Integration of knowledge and ideas
- 3.a. Use pictures and details to describe characters, setting or events.
- 3.b. Compare what characters go through in different stories.
- 4. Range of reading and text complexity
- 4.a. With prompting and support, read grade 1 stories and poems.
- RWC.1.2.2 Use basic reading strategies to read and understand nonfiction fluently. (being checked)
- 1. Key ideas and details
- 1.a. Ask and answer questions about important details in a nonfiction text.
- 1.b. Name the main topic and retell key details.
- 1.c. Explain how two people, events, ideas or facts in a text are connected.
- 1.d. Use prior knowledge and background to build meaning.
- 2. Craft and structure
- 2.a. Ask and answer questions to clarify words and phrases in a text.
- 2.b. Use text features such as headings, contents pages, glossaries and icons to find facts.
- 2.c. Tell apart what the pictures show from what the words say.
- 3. Integration of knowledge and ideas
- 3.a. Use pictures and details to describe key ideas.
- 3.b. Identify the reasons an author gives for points in a text.
- 3.c. Find basic likenesses and differences between two texts on one topic.
- 4. Range of reading and text complexity
- 4.a. With prompting and support, read grade 1 informational texts.
- RWC.1.2.3 Build basic reading skills by studying word parts, relationships and word families. (being checked)
- 1. Understand how print is organized and its basic features.
- 1.a. Recognize what marks a sentence: first word, capital letter and end punctuation.
- 2. Understand spoken words, syllables and sounds.
- 2.a. Tell long from short vowel sounds in spoken one-syllable words.
- 2.b. Blend sounds, including consonant blends, to say one-syllable words.
- 2.c. Isolate and say the first, middle vowel and final sounds in one-syllable words.
- 2.d. Split spoken one-syllable words into all their sounds.
- 3. Use grade-level phonics and word analysis to decode words.
- 3.a. Know the spellings that match common consonant digraphs.
- 3.b. Decode regularly spelled one-syllable words.
- 3.c. Know silent-e and vowel-team spellings for long vowels.
- 3.d. Use the fact that each syllable has a vowel sound to count syllables.
- 3.e. Decode simple two-syllable words by breaking them into syllables.
- 3.f. Read words with inflectional endings.
- 3.g. Read grade-level words with irregular spellings.
- 3.h. Make new words by changing the start of a rime, e.g. ip to dip or lip.
- 3.i. Decode unknown words that follow a predictable letter-sound pattern.
- 3.j. Read accurately and fluently enough to understand.
- 3.j.a. Read on-level text with a purpose and understand it.
- 3.j.b. Read grade-level text aloud accurately, at a good pace and with expression.
- 3.j.c. Use context to confirm or correct word reading, rereading when needed.
- 3.k. Work out unknown and multiple-meaning words using a range of strategies.
- 3.k.a. Use sentence context as a clue to meaning.
- 3.k.b. Use common affixes as clues to meaning.
- 3.k.c. Identify common root words and their inflected forms.
- 3.k.d. Identify and understand compound words.
- 3.l. With adult guidance, show understanding of word relationships and shades of meaning.
- 3.l.a. Sort words into categories to understand the ideas they stand for.
- 3.l.b. Define words by their category and one or more key features.
- 3.l.c. Link words to real-life situations where they are used.
- 3.l.d. Tell apart shades of meaning in verbs and adjectives by defining, choosing or acting them out.
- 3.m. Use words and phrases from talk, reading and responding to texts, including simple conjunctions such as because.
Standard 3: Writing and Composition
- RWC.1.3.1 Write an opinion supported by reasons. (being checked)
- RWC.1.3.2 Write informative texts that name a topic, add facts and close. (being checked)
- RWC.1.3.3 Tell real or imagined events in order, with details and closure. (being checked)
- RWC.1.3.4 Use correct grammar, spelling, capitalization and punctuation. (being checked)
- 1. Use standard English grammar when writing or speaking.
- 1.a. Print all upper- and lowercase letters.
- 1.b. Use common, proper and possessive nouns.
- 1.c. Match singular and plural nouns with the right verbs in simple sentences.
- 1.d. Use personal, possessive and indefinite pronouns.
- 1.e. Use verbs to show past, present and future.
- 1.f. Use common adjectives.
- 1.g. Use common conjunctions.
- 1.h. Use determiners such as articles and demonstratives.
- 1.i. Use common prepositions.
- 1.j. Produce and expand simple and compound sentences of several kinds when prompted.
- 2. Use standard capitalization, punctuation and spelling when writing.
- 2.a. Write complete simple sentences.
- 2.b. Capitalize dates and people's names.
- 2.c. Use end punctuation.
- 2.d. Use commas in dates and between single words in a list.
- 2.e. Spell common patterns and frequent irregular words correctly.
- 2.f. Spell untaught words by sound, using spelling conventions.
- 3. With adult support, stay on topic, respond to peers' ideas and add details.
- 4. With adult support, use digital tools to create and share writing, alone or with peers.
Standard 4: Research Inquiry and Design
- RWC.1.4.1 Take part in shared research and gather information to answer questions. (being checked)
- 1. Join shared research and writing, e.g. reading how-to books and writing instructions.
- 2. Write or dictate questions that come up during lessons.
- 3. With peers, use sources such as observation and read-alouds to answer questions.
- 4. Use text features such as titles, pictures and headings to find information.
- 5. Name a clear reason for doing research.
- 6. With adult help, recall experiences or use given sources to answer a question.
Tests and key dates
- Colorado Measures of Academic Success (CMAS) – English language arts and math
Check the Colorado Department of Education for which grades are tested and this year's testing dates (we have not yet confirmed every detail above on the official site).
Official documents
More packs
Common Core version: Grade 1 ELA · Colorado hub · Find another TIP
Standards from the Colorado Academic Standards: Reading, Writing, and Communicating (Colorado Department of Education, adopted 2018). CCSS references © Copyright 2010 NGA Center/CCSSO. Summaries are Classfern's own words – read the official wording at ed.cde.state.co.us/standardsandinstruction/standards.
Codes are facts; the descriptions are our own short summaries, not the official text. Always check the official document.
Classfern is not affiliated with or endorsed by the Colorado Department of Education.