# Resources

Electronic Edition of the California Common Core State Standards in Mathematics

Common Core Mathematics Standards Progressions Funded by the Brookhill Foundation. Here you will find descriptions, examples, and connections to the progressions of each Math Domain.

Building number sense one day at a time.

The **Clothesline** is a manipulatable number line that makes the facilitation of class discourse on number sense much more efficient and effective.

Open middle problems generally require a higher Depth of Knowledge than most problems that assess procedural and conceptual understanding. They support the Common Core State Standards and provide students with opportunities for discussing their thinking.

**Texas Instruments** provides you with Codes, lessons, and standards-aligned activities to use with TI Graphing Calculators.

**Desmos** offers a variety of calculators (four function, scientific, and graphing calculators) along with classrooms activities.

**Geogebra** provides you with free online math tools to graph, do geometry, 3D objects and more!

Project Evaluators

Real World Math Problems to Make Math Contextual, Visual and Concrete From K-12

Project Evaluators

# Which One Does Not Belong? (WODB)

This is **Which One Doesn't Belong?**, a website dedicated to providing thought-provoking puzzles for math teachers and students alike. There are no answers provided as there are many different, correct ways of choosing which one doesn't belong. Enjoy!

**YouCubed** is a free **K-12** math resource from Stanford Universityâ€™s Graduate School of Education

**Math Visuals**was created as a resource for fellow math educators, and seeks to:*uncover patterns that are foundational to Elementary Math*give multiple access points to engage everyone in discussion*inspire educators and students to invent their own visualizations of math concepts

# Math-Twitter Blog-o-Sphere (MTBoS)

Project Evaluators