Answer: NEWMATH
The answer NEWMATH has 11 possible clues. See the results below.
Possible Clues:
- Parent-puzzling arithmetic
- Education fad of the 1960s
- 1960s educational experiment
- Teaching method based on set theory
- Elementary teaching based on set theory
- 1960s educational doctrine
- Failed school curriculum that was the subject of the 1973 book "Why Johnny Can't Add"
- Set theory, etc.
- '60s elementary-school innovation
- Educational innovation of the 1960's