In the context of educational materials, a "patched" PDF typically refers to:

A version where the answers to all exercises have been filled in, often used by teachers or parents to grade work.

Versions that have been extracted from Santillana's digital platforms (like EDI Santillana) to be used offline without a login.

Covers mathematics and natural sciences with a focus on logic and problem-solving.

Addresses socio-emotional learning and community projects. Where to Find the Guide