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It may seem small and insignificant, but an apostrophe is an important little mark, especially when it comes to forming possessives. Knowing when to use apostrophe s or s apostrophe is a big apostrophe challenge. Help your third grader review and master when to use an apostrophe s in possessives with this worksheet that asks him to use apostrophes in the correct spots.
Check out This worksheetFor more practise with apostrophes.