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In this example of mathematical modeling, students drive the work as they collect and analyze data, predict future outcomes, and take action to reduce plastic water bottle waste at their school. 

This study explores the integration of culturally responsive mathematical modeling (CRMM) in primary grades to promote racial justice and critical consciousness. The research focuses on how CRMM can support problem-based learning (PBL) by engaging students in analyzing real-world issues through mathematics. CRMM leverages students' cultural knowledge, identities, and experiences to critically examine and address social justice issues, such as racial representation in classroom libraries. The study utilizes a case study approach to investigate the supports and challenges faced by two primary grade teachers in designing and implementing a CRMM task, the Library Diversity Project. This project aimed to evaluate and improve the fairness of classroom library collections by analyzing the representation of different racial and cultural groups in children's books. The research highlights the importance of collegial support, critical reflection, and the use of specific pedagogical tools, such as decision matrices and graphical representations, in facilitating CRMM. Key findings indicate that CRMM tasks can cultivate critical awareness and empathy among students, enabling them to take action to address inequities. The study also unveils the complexity of implementing CRMM, particularly in navigating political, contextual, and mathematical challenges. Teachers' critical reflexivity and collaboration were essential in addressing these challenges and fostering a learning environment that allowed students to use mathematics to analyze an issue and take action. The research contributes to the literature on equity-focused mathematics education by providing empirical evidence of the potential of CRMM to promote social justice in the primary grades. It emphasizes the need for ongoing professional development and support for teachers to effectively integrate CRMM into their practice. The study concludes with recommendations for future research and practice in culturally responsive mathematics teaching. 

IntroductionThere is a critical need to develop innovative educational strategies that engage youth in meaningful mathematics learning, particularly students from groups that have been historically marginalized in science, technology, engineering, and mathematics (STEM). In this study, we explore youths’ participation in two collaborative projects from the Growing Mathletes curriculum which combines baseball contexts and mathematics. Our goal was to understand the potential of these projects to support youths’ engagement with mathematical ideas and practices, and the extent to which youth leveraged a range of resources, including prior experiences and funds of knowledge, to inform their decisions and understanding. MethodsThe Design a Stadium and Baseball Team Roster projects were implemented in two afterschool setting sites and two summer program sites with 102 youth of all genders in grades 3 to 8. Data sources included video recordings of youth participation in the project, project artifacts, and youth interviews. ResultsWe found the projects contained specific features that supported youths’ engagement in three specific mathematical practices: (1) make sense of problems and persevere in solving them, (2) reason abstractly and quantitatively, and (3) construct viable arguments and critique the reasoning of others. Additionally, there is evidence that while engaging in these projects youth drew on their own funds of knowledge to inform their decisions and understanding. ConclusionOur findings point to key implications for researchers, educators, and curriculum developers in informal STEM learning spaces. 

In this article, we explore the power relationships and positioning that occurred between caregivers and teachers who engaged in mathematics tasks as a part of a year-long project involving workshops. Specifically, we explore the shifts in power and positioning that occurred when the tasks were grounded in the caregivers’ funds of knowledge, in contrast to the positioning that occurred during problem-solving tasks that were not. Our analysis indicates that using funds of knowledge in mathematics has the potential to create collaborative and not hierarchical relationships between caregivers and teachers. This result has implications for the mathematics classrooms of multilingual learners.