Things That Are Gray-Easy Reader Part 1 Things That Are Orange-Easy Reader Part 2 Additions and Subtractions Grade Two Irregular Plural Nouns Famous Americans: Benjamin Franklin Grade Two Simple and Compound Sentences Burj Khalifa, United Arab Emirates Boo Goo Zoo's Choo-Choo Train Ngorongoro Crater, Tanzania The Ant and the Grasshopper Dolch Sight Words Grade 2 (Level 2) Mixed Operations Metric System