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.
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GPS: Composing and Decomposing Shapes Across the Grades
Kyle Carpenter and Sarah Roller Dyess
Hyperbolic Duckies
Sophia Wood
Modeling exponential growth with crochet.
The Beauty of Regular Hexagons
Arsalan Wares
The author shares geometry that inspires him.
Problems to Ponder
Chris Harrow and Justin Johns
Problems to Ponder provides 28 varying, classroom-ready mathematics problems that collectively span PK–12, arranged in the order of the grade level. Answers to the problems are available online. Individuals are encouraged to submit a problem or a collection of problems directly to mtlt@nctm.org. If published, the authors of problems will be acknowledged.
Construct It! Triangle Puzzle Challenges
Enrique Ortiz
This article presents an original puzzle that supports students’ development of visual thinking and geometry ideas based on the Van Hiele levels of geometric thought.
GPS: Building Popcorn Boxes
Robert A. Powers and Michelle T. Chamberlin
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.
Problems to Ponder
Chris Harrow and Justin Gregory Johns
Problems to Ponder provides 28 varying, classroom-ready mathematics problems that collectively span PK–12, arranged in the order of the grade level. Answers to the problems are available online. Individuals are encouraged to submit a problem or a collection of problems directly to mtlt@nctm.org. If published, the authors of problems will be acknowledged.
GPS: Teaching Shapes Inclusively
Samuel Otten, Tiffany J. LaCroix, Faustina Baah, and Rebekah Hanak
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.
The Mathematics of Sewing
Hanan Alyami
Building Coherence and Progression on Sound Frameworks
Travis Lemon and Scott Hendrickson
A robust framework can support teachers and their students’ learning.
