Rules for Plural Nouns - Here is a simple poster to help kiddies understand the different rules when changing nouns from singular form to plural form. There are obviously always exceptions to every rule, however these rules apply in most cases.
Practice spelling words-- or use this for a poetry activity. Students draw a big scribble on their page - remind them to leave big spaces in their scribble! Using coloured pencils, they can then fill the spaces with their words.