InRe: Education
I started first grade in a parochial school (Catholic) in 1955. No pre-K, no kindergarten, straight into first grade.
One of the first things we learned was numbers. After we got the concept of numbers, then we learned letters. About halfway through the year, we got a book of tables: addidton, subtraction, multiplication, and division, through 10.
By the time we finished first grade, we had mastered addition and subtraction through 10, and could read basic words.
These foundations served me well throughout my life. If you can read, add, and subtract, you can learn anything.