skip to main content

All Subject Areas

Khan Academy
Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps.

Mr. Nussbaum
Featuring over 3,500 content pages, is one of the most popular destinations on the internet for parents, homeschoolers, teachers, and students. It was created by Greg Nussbaum, a Virginia public school teacher with experience teaching 2nd, 3rd, 4th, 5th, and 6th grade classrooms.

Reading and Language Arts

Lexia Reading
Lexia Reading is aligned to the Common Core State Standards for English Language Arts and Literacy for grades K–5.

Open Court Resources

A collection of links to complement unit themes for 4th grade.

American Folklore

Website contains numerous tales of American folklore. Site is organized around different themes, such as Famous Characters, Historical Folklore, and Regional Folktales – and State Folklore.

Writing Fix for Kids

Features interactive writing activities and activities to engage all types of learners. Site includes tools, games, lessons on conventions, and areas for publishing.

Educational Games – Earobics provides a research based, comprehensive reading intervention program that helps improve reading proficiency, reading skills, and reading comprehension.

Information & Technology Skills For Student Success

Big6 is a six-stage model to help anyone solve problems or make decisions by using information. Some call it information literacy, information communication, or ICT skills, or a process, but we call it the Big6. Using the Big6 information literacy process, you will identify information research goals, seek, use, and assemble relevant, credible information, then to reflect— is the final product effective and was my process efficient. The Big6 information literacy process is completely transferable to any grade level, subject area, or workplace. Big6, state and national instructional standards, and your curriculum all work together hand-in-hand.

Typing Web

TypingWeb is a free online typing tutor for typists of all skill levels. TypingWeb’s free Teacher Portal also allows schools to utilize TypingWeb in the classroom.

Activities for ESL/EFL Students (English Study)

Free Online English Learning: Study English with Quizzes, Tests, Crossword Puzzles, Exercises and other activities for students of English as a second language

Sacramento Public Library

Look up Accelerated Book Titles that Herburger has tests for and Bookflix for animated stories.


GO Math!

The first K-6 program written to align with the Common Core. With GO Math! you will hit the ground running and have everything you need to learn the Common Core Standards.

National Council of Teachers of Mathematics

Grade-level appropriate resources and activities reviewed by NCTM members. Includes cross-curricular connections.

Site hosted by the Family Education Network. Provides free educational games and quizzes in math, grammar, science, spelling, and history.

AAA Math

Features a comprehensive set of interactive arithmetic lessons. Unlimited practice is available on each topic which allows thorough mastery of the concepts

Math Standards

A collection of math activities starting ranging from Number & Operations to Data Analysis.

Social Studies

SCORE History/Social Science

A collection of resource links arranged by state content standards.

Explore, your source for true stories about notable people. Watch full episodes, read exclusive biographies and discover the unexpected ways you’re connected to your favorite celebrities.

California Missions Resource Center

The California Mission Resource Center provides information, images, historical facts, stories and other resources on each of the California Missions.

Gold Rush – The California Gold Rush (1848 to 1859)

Want to learn about the California Gold Rush? Check out our California Gold Rush section.

Gold Rush | WayBack – PBS KIDS GO!


Scott Foresman

Resources for units of study on Life Science, Earth Science, Physical Science and the Human Body.


Links are aligned to California Content Standards for Science. Site includes vocabulary games, and animated models. Main ideas translated in to 5 different languages – Spanish, Chinese, Vietnamese, Khmer, and Hmong.

Student Science Textbook online

Student user name and password for online Student Science Textbook by grade level
Grade 4                User name:casci04          Password:redwood

Digital Citizenship/Cyber Safety

AT&T Internet Safety Game for Kids

AT&T’s site designed to teach elementary school children about safety and security while surfing the web.


An interactive, educational safety resource from the National Center for Missing & Exploited Children® (NCMEC) and Boys & Girls Clubs of America (BGCA) for children aged 5 to 17, parents, guardians, educators, and law enforcement that uses age-appropriate, 3-D activities to teach children how to stay safer on the Internet.

iKeepSafe Internet Safety Coalition

Teaches basic rules of Internet safety to children and parents. Includes excellent video segments.