The Purple Series follows the Blue Series, and consists of 10 Photo Titles. As the Purple Series progresses, the following concepts are introduced:
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long vowels in vowel-consonant-e pattern (“marker” <e> marks the preceding vowel long)
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consonant digraphs <kn> and <wr>
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replace <e> suffixing convention
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3 syllable words
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suffix <-y>, <-er>, <-ful>, <-est>, and <-ly>
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prefix <un-> and <re->
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High Frequency Words: “their”, “some”, “where/there”