Resources
Instructional resources:
IXL is an immersive K-12 learning experience that provides comprehensive, standards-aligned content for math, language arts, science, and social studies.
DeltaMath is a website that allows teachers to assign their students math content from middle school and high school to practice skills, develop a conceptual understanding, and assess their misconceptions.
Castle Learning offers a comprehensive instructional support platform for in class, homework, review, and testing available both online and offline.
http://www.castlelearning.com/
Calculators resources:
External resources:
Curriculum resources:
Common core - additional resources:
Common Core resources for parents
Common Core State Standards FAQ
Regents resource (Algebra I, Geometry, Algebra II)
Cloud computing websites:
https://c9.io/ - Cloud9 combines a powerful online code editor with a full Ubuntu workspace in the cloud
https://cocalc.com/ - CoCalc is a sophisticated web service for online computation which includes: SageMath, SymPy, Maxima, R project, Pandas .. etc.
Computer Science websites:
https://practiceit.cs.washington.edu/