An informational text gives factual information about a topic. It includes
•Main ideas, or the most important ideas about the topic
•Details, which support the main idea
•Text features, such as the title, headings, bold words, images, and other clues to main ideas
contrary to rule or accepted order or general practice
Regular plural nouns are formed by adding -s or -es. Sometimes spelling changes, such as changing y to i, are needed before you add -es. Irregular plural nouns may take the same form as the singular noun or may require spelling changes.