You can find free worksheets on possessive plural nouns for second graders on the K12 Reader website.
One sample worksheet provides children with sentences and then requires that they combine them with the use of a possessive plural noun.
Possessive plural nouns are basically plural nouns that indicate possession and they can be tricky to master, so children often need a lot of practice.
“The dancers’ shoes” is a sentence that contains the possessive plural noun.
The word “dancers” is a plural noun because there is more than one dancer, and when referring to their shoes, you need to remember to add in the apostrophe to indicate that the shoes belong to them.
Here is a fun video to help your children with their possessive plural nouns.