Growing Problem Solvers provides four original, related, classroom-ready mathematical tasks, one for each grade band. Together, these tasks illustrate the trajectory of learners' growth as problem solvers across their years of school mathematics.
Roy, G. J., Harbour, K. E., Martin, C., & Cunningham, M. (2022). Using number talks to compare fractions. Mathematics Teacher: Learning and Teaching PK–12, 115(12), 874–881. https://doi.org/10.5951/MTLT.2022.0088