| SITE | DESCRIPTION |
| BrainDen | Math reasoning and logic puzzles |
| California Department of Education | Main page for CDE |
| California Mathematics - Grade 3 | Online resources for district adopted grade 3 mathematics text (Macmillan/McGraw-Hill) |
| California Mathematics - Grade 4 | Online resources for district adopted grade 4 mathematics text (Macmillan/McGraw-Hill) |
| California Mathematics - Grade 5 | Online resources for district adopted grade 5 mathematics text (Macmillan/McGraw-Hill) |
| California State University, East Bay | State University and Higher Level Education Partner |
| Common Core State Standards for CA | Common Core Resources from CA Department of Education |
| Content Standards for CA Mathematics | Content Standards from CA Department of Education (1997) |
| Contra Costa County Office of Education | Main page for CCCOE |
| Cool Math | Fun math lessons, practice, and games |
| CST Release Questions | CST Release Questions for all subjects |
| Discovery Education Puzzle Maker | Create a variety of puzzles or use their pre-made ones |
| Freerice.com | Multiplication and basic Pre-algebra practice. For each problem correct, 10 grains of rice is donated through World Food Programme to help fight world hunger. (other subjects also) |
| Function Machine | A function machine for basic algebra functions (one operation) |
| Inside Mathematics - P.O.M. | Mathematic problems of the month; modeling with mathematics practice |
| Internet4Classrooms | Mathematics practice and resources for K-12 students, parents, and teachers |
| IXL | Interactive math practice (including games) that is is aligned with the CA Common Core Standards |
| Khan Academy | Tutoring video lessons and practice for many math concepts (and other subjects) |
| KutaSoftware | Free supplemental worksheets - middle to high school |
| Los Medanos College | Community College and Higher Level Education Partner |
| Manipulatives - Glencoe | Virtual manipulatives from Glencoe |
| Math-Aids.com | Math worksheets and templates for kindergarten through Geometry. |
| Math is Fun | Math practice, games, worksheets for students and teachers |
| Math Worksheet Site | Create math practice worksheets, including numberlines and coordinate planes to graph. |
| Mathwire | Writing in Mathematics ideas |
| Multiplication.com | Multiplication practice - Games and Resources |
| National Board for Teaching Standards | Information on how to obtain a National Board Certification |
| National Library of Virtual Manipulatives | Web visual tool for classroom manipulatives |
| Primary Games Arena | Games for all subjects - Preschool through Grade 6 |
| Silicon Valley Math Initiative | Professional development and resources on the Common Core State Standards |
| starsamplequestions.org | CST math and ELA practice problems, included performance levels and answer breakdown |
| Sumdog | Math games and contests. |
| SuperTeacher Worksheets | Supplemental worksheets and templates you can use for Clearboards - elementary to middle school. |
| Wisc-online | Identifying key words in math. Practice with solving word problems. |
| Wolfram-Alpha | Math equation calculator and math information search engine |