algebra
arm
background
black
blackboard
board
brunette
calculate
caucasian
chalk
chalkboard
class
classroom
college
education
equation
exam
female
formula
geometry
girl
green
hand
handwriting
high
holding
intelligent
knowledge
learn
lesson
math
mathematics
number
people
person
school
schoolgirl
science
smart
standing
student
study
symbol
teach
teacher
tutor
university
woman
write
writing