Irregular Plural Noun Teacher Posters and Practice Pages Irregular Plurals do not follow the regular forms of plurals created by adding an -s or an -es to the end of singular nouns. Our first poster focuses on irregular plural nouns that are created by changing the middle sounds and letters. Our second poster focuses on irregular plural nouns that are created by changing the final -f to a -v and then adding -es. Our second poster focuses on irregular plural nouns that are created by changing the final -f to a -v and then adding -es. Practice page focuses on irregular plural nouns that are created by changing the middle sounds and letters Answers Practice page focuses on irregular plural nouns that are created by changing the final -f to a -v and then adding -es. Answer Completed Sorting Board Example Sorting Board Printable Sorting Board Pictures Teaching Video