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## Teaching Angle as Turn Using a Code.org Lesson

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.

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## Mathematical Connections: Many Faces of the Truncated Icosahedron

Examine this geometric figure in light of a set of connections among fields such as architecture, geometry, science, sports, technology, and associated uses, models, and discoveries.

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## Give Plants an Inch; They’ll Take a Yard

A real-world integrated activity allows middle school students to design a scale drawing for a garden at their school.

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## Golden Circles

An artist uses graphic tools and circles to illuminate the illusive concept of the golden ratio.

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## Bodies in Motion: Exploring Dynamic Angles

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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## Looking for Math in All the Right Places!

This article describes how fortuitous mathematical moments should be noticed, encouraged, embraced, and capitalized upon.

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## Using School Mathematics to Develop Students’ Data Literacy Skills

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.

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## Mathematical Modeling as a Tool for Empowerment

Ear to the Ground features voices from several corners of the mathematics education world.

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## Exploring Matrices with Spreadsheets

Bridge the digital divide by teaching students a useful technological skill while enhancing mathematics instruction focused on real-life matrix applications.

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