Prerequisite: MATH-542 or higher-level math course, or eligibility for MATH-4 as determined by the Chaffey College placement process as of March 2019, which will result in more students being able to enroll directly in MATH-4. Study of mathematical concepts, targeted primarily to students preparing to teach elementary school mathematics. For such students, this course fulfills the same transfer requirement as Math-25 College Algebra. Topics include: real number systems and sub-systems, patterns and sequences, basic set theory, logic, and mathematical induction. Emphasis is on comprehension of concepts and application of logical reasoning and critical analysis in problem-solving. (C-ID MATH 120) Transfer: CSU; UC