Houghton Mifflin Harcourt student materials for the fourth grade are available online at HMHCO.com. Homeschooling materials are available under the At Home link near the top right of the home page. School materials are available under the Classroom link.
On the At Home Web page, hover the mouse over the Homeschool heading at the top of the page, and then click the Grade 4 link. On the Classroom Web page, hover the mouse over the Shop by Grade heading, and then click the Grade 4 link. Locate the desired product and click Add to Cart. An institutional account is required to purchase some products.