The BJU Press 4th grade curriculum for homeschoolers is designed to reinforce your child’s confidence in his new skills. As he works toward better academic achievement, he will also learn to apply biblical principles to his everyday actions. Heritage Studies brings to life great movements and events in American history from the late 1700s through the early 1900s. English lessons refine writing, spelling, grammar, and research skills. Math lessons focus on practicing basic math operations, while science lessons explore the ecosystems, forces, and natural resources of the world.