English Lesson BASIC MATH SYMBOLS vocabulary and pronunciation

Instructor de la escuela de inglés IBE ingles garantizado da un tutoria de los simbolos basicos de matematicas en el idioma inglés. IBE esl instructor gives a tutorial on the basic mathematics symbols in english. What symbol is this? plus minus times divided by square root equals two plus two equals four eight minus four equals four four times four equals sixteen sixteen divided by four equals four square root of sixteen equal