Apply knowledge of common Greek and Latin roots, base words, and affixes to determine the meaning of unfamiliar words in grade-level content.
Standard:
4.2.A
Description:
demonstrate and apply phonetic knowledge by:
(i) decoding words with specific orthographic patterns and rules, including regular and irregular plurals;
(ii) decoding multisyllabic words with closed syllables; open syllables; VCe syllables; vowel teams, including digraphs and diphthongs; r-controlled syllables; and final stable syllables;
(iii) decoding words using advanced knowledge of syllable division patterns such as VV;
(iv) decoding words using knowledge of prefixes;
(v) decoding words using knowledge of suffixes, including how they can change base words such as dropping e, changing y to i, and doubling final consonants; and
(vi) identifying and reading high-frequency words from a research-based list;
Standard:
4.3.C
Description:
determine the meaning of and use words with affixes such as mis-, sub-, -ment, and -ity/ty and roots such as auto, graph, and meter; and
4th Grade Reading - Roots & Affixes Lesson