Description People invent and improve tools to solve problems. The shape of a tool helps it work. Take a look at some jobs, big and small. Choose the tool that is just right for each task. Fully decodable text features high-frequency words, and words with the j, v, and x sounds. Also features tips for teachers and caregivers along with additional information at the end to build the reader's background knowledge of the topic. Downloadable Teacher Notes available.