academic semester
alarm clock
audio headset
back to school
books
brainstorming
browsing
caucasian
child
childhood
children
classroom
compass
copybook
digital gadget
drawing circle
education
elementary age
erudite
erudition
geometry
grade
handsome boy
homeschooling
homework
intelligent
internet user
knowledge
language courses
laptop
math examples
mathematical formula
mathematician
mathematics
multiethnic
online lesson
positive emotions
primary student
pupil
remote study
schoolboy
schoolchild
smart kids
solving
studying
tablet
teenager
textbook
video call
writing
定額
Details: Students hand holds a pencil and paints the perimeter of a rectangle drawn in a notebook, calculates the perimeter and surface of geometric shapes, doing homework on the geometry at homeの素材 [FY310190297805]
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