Welcome to Room 233's online site.
This site was created to support my 3rd grade students and their parents with online resources.
Mr. Castrellón's Site
Mr. Castrellon's Homepage
Open House 2020-21
Common Core Standards
News. Get the 411 here.
Homework
Blogs
California History and Social Studies Standards for 3rd Grade
United States History and Social Studies
California History
>
Los Angeles History
Native People of California
>
Diorama Project
Videos on Human Migration
California Regions
>
Stop Motion Project
Local, State and National Landmarks and Monuments Project
California Science Standards for 3rd Grade
Science Resources
Animal Research and Power Point Presentation
>
More on Research and Presentation
Native Plants of California
Recycle, Re-use and Reduce
Language Arts: Common Core Standards
Writing Resources
What to read?
Fun ELA Links
Mathematics: Common Core Standars
Helpful Math Links
Tables for Multiplication and Division
Coding: Learn to make computer games.
CODE STUDIO
Harper's Corner
Art
Artist Profiles
Student Art Gallery
Museums & Learning Centers
Music
About
How to play...?
Contact
Curiosity Quest Goes Green
Plastics Make It Possible
WM
A Day With Your Recyclabes
Too Good to Waste
The Recycling Process