Montessori Language Test. Montessori Materials teach children fundamental skills in a unique and exciting hands-on, discovery based way. This assessment tests Montessori language and grammar skills. It includes sections on homophones, nouns, pronouns, articles, adjectives, conjunctions, and letters and more! This is a beginning placement test for those that are new to Montessori. The goal is to help new students find what materials to practice on the language and grammar towers.