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Connecting Arithmetic to Algebra Course Facilitator’s Guide
Strategies for Building Algebraic Thinking in Elementary Grades![Connecting Arithmetic to Algebra: Strategies for Building Algebraic Thinking in the Elementary Grade](https://www.terc.edu/wp-content/uploads/2019/09/product_connecting_arithmetic-300x197.jpg)
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Connecting Arithmetic to Algebra: Strategies for Building Algebraic Thinking in the Elementary Grade
A new professional development guide that invites readers to learn about a crucial component of algebraic thinking: investigating the behavior of the operations.![But Why Does It Work?](https://www.terc.edu/wp-content/uploads/2019/09/product_butwhydoesitwork-300x197.jpg)
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But Why Does It Work?
A simple, efficient teaching model focused on mathematical argument for developing the ability of students to justify their thinking and engage with the reasoning of others.![Boats, Balloons, and Classroom Video: Science Teaching as Inquiry](https://www.terc.edu/wp-content/uploads/2019/09/product_boats_balloons-300x278.jpg)
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Boats, Balloons, and Classroom Video: Science Teaching as Inquiry
A professional development approach to science education that views science teaching as inquiry![Environmental Science and Biocomplexity](https://www.terc.edu/wp-content/uploads/2019/09/product_environmentalscience_biocomplexity-280x300.jpg)
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Environmental Science and Biocomplexity
An innovative high school curriculum designed around the dynamics of complex and evolving coupled natural and human (CNH) systems.![Astrobiology: An Integrated Science Approach](https://www.terc.edu/wp-content/uploads/2019/09/product_astrobiology3-300x197.jpg)
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Astrobiology: An Integrated Science Approach
An Integrated Science Approach is a full-year genuinely integrated science curriculum that weaves its way through the disciplines of biology, chemistry, physics, astronomy, and Earth science, as well as sociology, ethics, and the psychology of human thought and behavior.![<i>Investigations 3</i>](https://www.terc.edu/wp-content/uploads/2019/09/product_investigations-300x207.jpg)
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Investigations 3
Since 1990, schools and districts have chosen Investigations — a focused, coherent, and rigorous K-5 mathematics curriculum that places making sense of mathematics at the heart of the work, for students and for teachers.![Zoombinis](https://www.terc.edu/wp-content/uploads/2019/08/product_zoombinis-300x207.jpg)
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Zoombinis
Zoombinis, an award-winning adventure game, engages players in guiding little blue Zoombinis on a "fun but perilous" journey featuring 12 logic and computational thinking puzzles, each with 4 levels of difficulty.![Adventures in Ecology](https://www.terc.edu/wp-content/uploads/2019/08/product_adventures-in-ecology-300x207.jpg)
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Adventures in Ecology
Adventures in Ecology is about how animals need and acquire energy considering skulls and teeth, body size, and species.![Science for Today and Tomorrow](https://www.terc.edu/wp-content/uploads/2019/01/news_blank-300x204.jpg)
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