This is the first of two courses designed for elementary education students to study the structure of the number system and teaching strategies that may be utilizedappropriatelytoteachelementaryagechildren (K-8). In this first content and methods course, students will be trained to utilize a wide variety of concrete manipulatives in an effort to create mental models for students. Concepts specific to the first course include, but are not limited to, the following: set theory, number theory, whole numbers (place value system, operations, and properties), fractions (representation, operations, and properties), decimals, ratio, proportion, and percent. Fall semester.