arithmetic
book
boy
brain
calculate
cartoon
character
child
children
class
clever
confused
cute
desk
doodle
doubt
education
exam
gesture
girl
happy
homework
idea
kid
kindergarten
knowledge
learn
lesson
mark
math
mathematics
notebook
paper
pencil
preschool
primary
question
read
school
sit
student
study
table
test
think
together
work
write
young