Not in math classes or schools.
Link: https://defendinged.org/wp-content/uploads/2022/02/Person-Puzzle-Systems-with-Substitution-Maya-Angelou.pdf
Not in math classes or schools.
Link: https://defendinged.org/wp-content/uploads/2022/02/Person-Puzzle-Systems-with-Substitution-Maya-Angelou.pdf