Kentucky Reading and Writing RF.3.3
Standard Cluster
Know and apply grade-level phonics and word analysis skills in decoding and encoding words. Identify, decode, encode and know the meaning of words with the most common prefixes and derivational suffixes, including Latin suffixes. Decode and encode multisyllabic words.
Kentucky Academic Standards for Reading and Writing (2025) · Phonics and Word Recognition
Cluster contents
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RF.3.3 is a cluster heading. These are the individual standards under it.
Teacher's field guide
What This Cluster Means
What Students Need to Do
- Students break long words into parts so they can read and spell them. They use prefixes like re- and suffixes like -less, -able, and -ation to work out meaning.
What Mastery Looks Like
- A student can read and spell reheat, washable, and information. They can point to the word parts and explain what each added part means.
Common Misconceptions
- Students may confuse re- with un- and say reheat means 'not heated.' They may spell washable as washible or guess a long word from its first syllable.
How to Assess It
- Dictate reheat, washable, and information. Have students write and read each word, underline its prefix or suffix, and explain what one added part means.
Lesson moves
Ways to Teach It
Give pairs cards labeled re, un, heat, pack, wash, and able; have them build, read, write, and define three words.
Ask, 'How does the meaning of washable change if we remove -able?' Have students write a one-sentence answer.
Play word-part bingo: read reheat, unpack, washable, and information aloud; students mark the matching prefix or suffix and write each word.
Show a washable marker package; students read washable, spell it from memory, and explain why the label matters when ink gets on a shirt.
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Printable RF.3.3 Worksheet

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