This four-credit course is a prerequisite for ME 504. It is required for graduate students majoring in elementary education who are preparing to become teachers of children in kindergarten through grade five. This course focuses on topics in number systems and operations with an emphasis on number, operations, mental mathematics, proportionality, number theory, and probability. Students explore the mathematics from the perspective of a student and a teacher. The emphasis is on making sense of key ideas of number and operations and on exploring how students’ understanding of these topics emerge and develop. 4cr, 1st sem.