In 1967, the US Patent Trademark Trial and Appeal Board ruled that "the term 'Montessori' has a generic and/or descriptive significance."[24] Therefore, in the United States and elsewhere, the term can be used freely without giving any guarantee of how closely, if at all, a program applies Montessori's work. The ruling has led to "tremendous variation in schools claiming to use Maria Montessori’s methods."[25]
https://en.wikipedia.org/wiki/Montessori_method#Use_of_Monte...
http://www.marylandpublicschools.org/msde/nonpublicschools/m...
Some of the activities I remember are:
- Pouring water from a pitcher into cups.
- Learning to tie shoes. There was a frame with laces, where you would tie the knots 5 times.
- Learning modular division - The teacher would ask what is 25/7, and you would have a bead board and a sack of beads and discover the answer is 3 R4
- Ordering tuning forks by pitch
- Reading station