Suffixes -able and -ible worksheets
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-able and -ible both mean can-be: breakable can be broken, visible can be seen. If the base is a whole word, usually -able; if the base is a broken piece, usually -ible. A few rebels (flexible, sensible) take -ible after a whole word anyway, so check a dictionary when unsure.
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 can-be words by spelling, -able (enjoyable, breakable) or -ible (possible, terrible), and learn the whole-word test that usually decides it.
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5th grade Core grade
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Fifth graders apply the test quickly, translate each word into its can-be meaning, and handle the common exceptions as sight spellings.
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6th grade
Sixth graders spell the family reliably in real writing, where responsible, incredible, and comfortable are everyday words with famous misspellings.
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