Here is a list of math-related terms. We can't teach you how to compute a derivative, but we can teach you how to say it in Spanish!
Número primo - prime number
Par / impar - even / odd
Íntegro - integer
Decimal - decimal
Positivo / negativo - positive / negative
Sumar - to add
Restar - to subtract
Multiplicar - to multiply
Dividir - to divide
El denominador - the denominator
Mínimo común múltiplo - least common multiple
Máximo común denominador - greatest common denominator
La media - the average
El exponente - the exponent
La potencia - the power
Elevado a - raised to
La raíz cuadrada - the square root
El algoritmo - the algorithm
La ecuación - the equation
La fracción - the fraction
El logaritmo - the logarithm
La función - the function
La derivada - the derivative
La integral - the integral
Álgebra - algebra
Teoría de conjuntos - set theory
La variable - the variable
El teorema - the theorem
Lastly, here’s a super interesting TED talk by Terry Moore about using 'x' as the unknown. Enjoy!