Do your students need help with plural, singular plural, and possessive plural usage? Here is a Free Plural/Possessive Poster. Those plurals and possessives nouns can be tricky! It may take a few teaching lessons to master this skill! Use this poster below to help students remember when to use 's or s' or when it's just plural. Also added is 1 worksheet to practice this skill. Click the picture above to download this freebie! If you're still bugged by plurals and possessives, try this pack...