Maryland ELA RF.3.3
Standard Cluster
Know and apply phonics and word analysis skills in reading (decoding) and writing (encoding) words. Know and apply phonics skills to read (decode) and write (encode) words. Read (decode) and write (encode) multi-syllable words with known letter-sound correspondences. (neighbor, suitcase, fascinate, suggest) Read (decode) and write (encode) words with common prefixes and derivational suffixes. Know and apply spelling rules to write (encode) words with increased accuracy and automaticity.
Maryland College and Career Ready Standards for English Language Arts (2025)
Cluster contents
Standards in This Cluster
RF.3.3 is a cluster heading. These are the individual standards under it.
- RF.3.3.a
Know and apply phonics skills to read (decode) and write (encode) words.
- RF.3.3.b
Read (decode) and write (encode) multi-syllable words with known letter-sound correspondences. (neighbor, suitcase, fascinate, suggest)
- RF.3.3.c
Read (decode) and write (encode) words with common prefixes and derivational suffixes.
- RF.3.3.d
Know and apply spelling rules to write (encode) words with increased accuracy and automaticity.
Teacher's field guide
What This Cluster Means
What Students Need to Do
- Students split longer words into syllables and use letter patterns to read each part. They build and spell words with prefixes and suffixes, using spelling rules when a word changes.
What Mastery Looks Like
- A student reads suitcase and suggest by working through the letters rather than guessing. They can read and spell unhelpful and happiness, explain the added parts, and tell why the y in happy changes to i.
Common Misconceptions
- Students may guess a long word from its first few letters instead of checking each syllable. They may spell happiness as happyness or miss how un- changes the meaning of helpful.
How to Assess It
- On an exit ticket, ask students to split and read unhelpful, then spell happiness from dictation. Have them underline the suffix and explain why the y changes to i.
Lesson moves
Ways to Teach It
Give pairs letter tiles to build help, helpful, and unhelpful, then have them read each word and explain what the added parts mean.
Ask students to explain in writing why happy plus ness becomes happiness rather than happyness.
Play a syllable race: students draw cards for suitcase, suggest, and fascinate, split and read each word, then check with a partner.
Show a reusable water bottle label; students read reusable, circle re- and -able, then explain what the label means.
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Printable RF.3.3 Worksheet

A ready-to-print activity worksheet aligned to RF.3.3, with an answer key for the teacher on its own page. No account needed.
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Related Standards
- RF.K.3
Know and apply phonics and word analysis skills in decoding and encoding words. Demonstrate knowledge of the alphabetic principle. Form/print all upper and lowe...
- RF.2.3
Know and apply phonics and word analysis skills in reading (decoding) and writing (encoding) words. Know and apply phonics skills to read (decode) and write (en...
- RF.4-5.3
Know and apply phonics and word analysis skills in reading (decoding) and writing (encoding) words. Know and apply phonics skills to read (decode) and write (en...
- RF.4-5.3.a
Know and apply phonics skills to read (decode) and write (encode) words.
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