四年级形容词实践涉及学习单词的正确的顺序在使用两个或两个以上的形容词。应用适当的顺序规则似乎是随机的,但结果在一个流畅的句子。例如,这个句子“粉红色的火烈鸟站在一条腿高,”尴尬的相比,“高粉红色火烈鸟站在一条腿。”A simplified version of adjective order starts with an observation, the physical description, the origin, material, then the modifier. Fourth graders also learn that articles such as a and an are adjectives. Education.com's Learning Library provides adjective practice that teach these new concepts and introduces advanced adjective vocabulary words.