The authors describe a fourth-grade lesson that promotes understanding of angle as a dynamic figure through use of a real-world tool used by physical therapists to measure joint motion.
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Robert Powers, Michelle Chamberlin, and William Dutmer
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.
Nasim Chenari
This article describes how fortuitous mathematical moments should be noticed, encouraged, embraced, and capitalized upon.
Ken Keech, Betty Routhouska, and Nicole L. Fonger
Two high school algebra teachers and their students focused on examining population trends affected by the creation of a highway though a thriving African American community.
Carrie Plank and Sarah Roller Dyess
Use these three strategies to support student perseverance and discourse about context.
Amanda L. Cullen
Any ability grouping in mathematics education is an inequitable structure that perpetuates privilege for a few and marginality for others. Ability grouping practices often occur with good intentions; we want to understand children’s learning needs and then tailor the content,
Alisan Boes, Duane C. Boes, and Nichola Hillis
We explore the statistical likelihood of one, or more, siblings in a family of nine surviving to 100 years of age.
Joshua David Jones
To be literate in a society where the information shared online is often exploited, learners should be exposed to multiple aspects of contemporary predictive modeling. Explore a lesson in which students learned an algorithm used in practice to automate the process of making recommendations.
Deanna Pecaski McLennan
This article describes how fortuitous mathematical moments should be noticed, encouraged, embraced, and capitalized upon.
Douglas H. Clements, Shannon S. Guss, and Julie Sarama
Learning trajectories help teachers challenge children at just the right level for their best learning.
