Suffixes -ive and -ize worksheets
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-ive builds describing words: act becomes active. -ize builds doing words: final becomes finalize. One suffix makes adjectives, the other makes verbs.
Three grades, two different sets of words: 5th and 6th grade share one. Print one here, or open a grade for examples and teaching notes.
Print by grade
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4th grade
Fourth graders sort -ive and -ize words and meet the two jobs: -ive builds adjectives (active, massive), -ize builds verbs (realize, organize).
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5th grade Core grade
Each print is a different sheet with its own answer key. You don't need to sign up.
Fifth graders use the suffixes to unpack meaning, finding the base inside each word, and to write with them: summarize a paragraph, describe an effective plan.
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6th grade
Sixth graders read and spell both families automatically and treat the pair as a word-building system, learning by real examples which bases accept which suffix, the knowledge these sheets are built to supply.
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