CCSS.ELA-Literacy.RF.4.3
The Standard
Know and apply grade-level phonics and word analysis skills in decoding words.
Common Core State Standards for English Language Arts · Reading Standards: Foundational Skills
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students break unfamiliar multisyllabic words into readable parts. They use letter patterns, syllable types, roots, prefixes, and suffixes to pronounce the whole word accurately.
What Mastery Looks Like
- Given unfamiliar grade-level words in a list and passage, students read them accurately and explain how they divided them. They recognize common affixes and roots, blend the parts, and correct a pronunciation that does not match the spelling or sentence.
Common Misconceptions
- Students may guess a word from its first letter or from the sentence instead of reading every part. They may divide syllables in the wrong places or overlook familiar prefixes, suffixes, and roots. They may also pronounce each chunk correctly but fail to blend the chunks smoothly.
How to Assess It
- Ask each student to mark the word parts in disagreement, transportation, and remarkable, then read each word aloud and explain one prefix, suffix, or root.
Lesson moves
Ways to Teach It
Give pairs prefix, root, and suffix cards to build words, mark syllable breaks, and read each completed word aloud.
Project unpredictable and ask students to write which word parts helped them pronounce it and determine its meaning.
Play a word sort where teams group cards by prefix, suffix, root, or syllable pattern, then read each word for a point.
Students choose five multisyllabic words from a school notice or menu, mark the parts, and practice reading them aloud.
Free download
Printable RF.4.3 Worksheet

A ready-to-print activity worksheet aligned to CCSS.ELA-Literacy.RF.4.3, with an answer key for the teacher on its own page. No account needed.
PDF, US Letter, prints cleanly in black and white.
Download the worksheetLearning progression
Where This Standard Sits
See the whole path on the Reading: Foundational Skills progression map.
Before This Standard
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What This Unlocks
Mastery here sets students up for these next.
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