All libraries are closed until further notice. More info and COVID-19 resources. | Todas las bibliotecas están cerradas hasta nuevo aviso. Más información.

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Recommended Websites



Free Online Dictionaries and Spelling Tools

Grammar and Writing

Reading and Vocabulary


  • In The Loop (PDF) - A Reference Guide to American English Idioms


  • Khan Academy - Offers practice exercises, instructional videos, and more
  • About the USA (PDF) - Examines the customs, government, and history of the United States
  • Voice of America - Audio programs and captioned videos on U.S. History. Articles use vocabulary at the intermediate and upper-beginner level. Audio programs read 1/3 slower than typical English speed


  • Khan Academy - Offers practice exercises, instructional videos, and more
  • - Free math tutorials and videos
  • Cymath - Includes problem solving calculator and practice problems
  • Skillswise (BBC) - British site with free math videos, games, and quizzes
  • Space Math @ NASA - Math problems with a space/astronomy focus, for Grades 3 through Calculus
  • TV411 Math - Video lessons to improve your math skills
  • Webmath - Generates answers to specific math questions entered by a user and shows the student how to arrive at the answer

Adult Education Centers

Online Tutoring

  • - Free online tutoring through the Los Angeles Public Library, requires library card and PIN