Penelope Penguin has a basket of the plural endings "s," "es," and "ies," but she needs help placing them with the right words! Students read the words and write the correct plural version of the word on the blank. There are also some tricky plurals for students to practice that don't end in "s," "es," or "ies." Writing plural words helps students learn grammar and syntax, in addition to enhancing their vocabulary and helping them become more effective communicators.