Can you complete the numbers in the multiplication table?

Khan Academy

Open-source educational video resource.

Why don’t my numbers add up?

Free online graph paper/grid paper PDFs.

Beginner sourdough loaf: Recipe that focuses on getting sourdough flavor without the slow-rise sourdough technique.
Vedic mathematics: Algorithms for arithmetic.
Txt2re: Regular expression generator for multiple programming languages.
Hillbilly housewife: A recipe site focusing on low-cost cooking from scratch.
An old-fashioned education: A directory of free homeschool curricula, literature, and text books.