Children explore concepts of capacity and height measurement through sand play in nursery class.
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Exploring Young Children’s Math Thinking in Sandcastle Building
Hannah Tan and Cynthia Lim
Algebraic Thinking in the Context of Spatial Visualization
Arsalan Wares and David Custer
This pattern-related problem, appropriate for high school students, involves spatial visualization, promotes geometric and algebraic thinking, and relies on a no-cost computer software program.
See, Think, and Wonder Geoboard Art
Enrique Ortiz
Two original images were inspired by the use of an art studio app for digital drawings. This artistic process could be used to help created other original art and during See-Think-Wonder routines emphasizing meaningful observations and questioning skills.
Teaching Angle as Turn Using a Code.org Lesson
Stacy K. Boote and Terrie M. Galanti
Elementary school students use physical manipulatives (e.g., pattern blocks) to make sense of the geometry and measurement ideas in a Code.org block-based programming lesson.
How Big Is a Leaf? Mathematical Modeling Through STEM Inquiry
Kym Fry and Lyn D. English
Grade 4 students engage in problem solving through inquiry in an agricultural science context.
Using Fermi Questions to Foster Community
Kathryn Lavin Brave and Jillian Miller
Two teachers describe how to use Fermi Questions to illuminate the connections between the Standards for Mathematical Practice and the social and emotional learning competencies.
GPS: How Long? Estimating Length and Time
S. Asli Özgün-Koca and Monica G. McLeod
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.
Revisiting Reinhart for Uncertain Teaching Times
Mindy Kalchman
Process-oriented, question-asking techniques provide a framework for approaching modern challenges, including modality pivots and student agency.
Exploring Sequences Related to Medial Triangles
José N. Contreras
Building Powerful Mathematical Thinkers with dINBs
Courtney K. Baker, Terrie M. Galanti, Kimberly Morrow-Leong, and Tammy Kraft
The Teaching for Robust Understanding framework facilitates online collaborative problem solving with digital interactive notebooks that position all students as doers of mathematics.
