How It All Started
The Core Knowledge Foundation was founded in 1986 by E. D. Hirsch, Jr., professor emeritus at the University of Virginia and author of many acclaimed books on education. More…
Lesson Plans on CD
Many of our Lesson Plans are available for purchase on CD from our online bookstore! More…
What Your Third Grader Needs to Know: Spanish Translation
All files are available for download here, in Adobe PDF format, at no charge. Simply click on the links below to view and download the documents. Note that many of these files are rather large; please allow sufficient time to download.
Illustrations are not included in the translations. Please use the page number references in the margin to find the pictures in the English book.
I. Language and Literature
- Reading, Writing, and Your Third Grader
- Literature; Poetry
- Stories
- Mythology
- Learning About Literature
- Sayings and Phrases
- Learning About Language
II. Geography and History
- Introduction
- World Geography
- World History: Ancient Rome
- World History: The Vikings
- American History
- Early Explorers in North America
- English Colonies in North America
III. Visual Arts
IV. Music
V. Mathematics
- Introduction
- Multiplication-Part One
- Division-Part One
- Numbers Through Hundred Thousands
- Working With Numbers
- Addition and Subtraction
- Sums and Differences of Four-Digit Numbers
- Time, Money, and Graphs
- Geometry
- Measurement
- Multiplication-Part Two
- Division-Part Two
- Roman Numerals
- Fractions
VI. Science
- Introduction
- Classifying Animals
- The Human Body: The Skeletal and Muscular Systems
- The Human Body: The Brain and Nervous System
- Light and Vision
- Sound and Hearing
- Astronomy
- Ecology
- The Lives of Famous Scientists

