A classmate.
It means "You are a classmate".
"Ella es mi compañera de clase" translates to "She is my classmate" in English.
es una clase de matematicas means is a kind of mathematics
The verb is: 'es'. It comes from the infinitive: ser and is conjugated in the present tense.
Una clase de historia
In the sentence "Marta es mi compañera de clase," the subject is "Marta." She is the one being described as "my classmate," indicating her role in relation to the speaker. The verb "es" (is) connects the subject to the predicate, which provides more information about her.
Una república federal.
Unas clases
A la uno hora en martes. At one oclock on tuesday.
It means, "I need a calculator and a ring binder for the mathematics class."
yo tengo una clase de matematicas y ciencias
I need a calculator for math class.