This article examines the use of comparison as a means of introducing multiple strategies for problem-solving in mathematics, and encouraging the development of flexible knowledge in algebra.
Spring has sprung and with it comes testing season. Over the next few months, students across multiple states will be taking on the new, two-part PARCC (Partnership for Assessment of Readiness for College and Careers). Although PARCC's computer-based administration and question styling may look different from previous tests, it still aligns to the Common Core State Standards, the learning goals for the majority of U.S.