a couple of students solving a problem on the blackboard
a couple of students standing in front of the blackboard
Mathematics problem on blackboard
Girl writing on a blackboard
Girl writing a sum on a blackboard
School kids drawing on blackboard
Schoolchildren writing on a blackboard
schoolgirl standing behind a stack of books
Girl, writing on blackboard in classroom
女子高生
Mathematical formula on blackboard
Children's drawings on blackboard
a couple of students slapping high-fives
a couple of students standing with their arms folded
schoolgirl waking up schoolboy
Girl standing at blackboard
a couple of students lying on the ground
Young woman doing game on a blackboard
Girl writing arithmetic problem on blackboard
黒板
Chalkboard
schoolgirl holding a white board
schoolboy making a serious facial expression
schoolboy holding books next to a stack of books
An American girl reading a book
schoolboy studying hard in front of the blackboard with computer
Globe in a classroom
schoolboy pointing out a place in the world map in the blackboard
Textbooks and blackboard in classroom
College students writing on blackboard with chalk
Students drawing on chalkboard in classroom
schoolgirl sitting on a stack of books
Boy (10-11) standing in front of blackboard, portrait
Boy (10-11) in front of blackboard, smiling, portrait
writing chemical equations on the blackboard in cl
Boy (6-7) writing on blackboard in class
Boy (6-7) writing on blackboard in classroom
Girl watching her brother drawing on blackboard
Apple in a classroom
Children writing on blackboard, blue background
college student writing with chalk on blackboard
schoolgirl standing with her arms folded
schoolboy standing behind a stack of books
教室で板書する小学生の女の子2人
schoolboy holding a green apple on his head
schoolboy standing next to a stack of books
schoolboy coming up with an idea
schoolboy looking at piles of books and knitting his brows
Professor giving lecture
schoolgirl studying hard in front of the blackboard with computer
Brother and sister drawing on blackboard
School kids calculating on blackboard
The blackboard draw
Vintage image of teacher at blackboard
お絵かきする女の子
勉強する女性
Write full math problem of the blackboard
Boy in classroom, working out maths problem on blackboard, rear view
Primary school girls holding a beaker
Boys (4-7) drawing on blackboard, rear view
Girl (6-7) standing by blackboard and covering face with hands, close-up
Girl drawing on chalkboard in classroom
黒板とチョーク
schoolboy smiling broadly
schoolboy smiling with his arms folded
schoolboy listening to music through the headphone
Teacher with student looking at globe
Empty classroom, maths problem on blackboard
schoolboy giving a thumbs-up
Boy writing on chalkboard
Girl holding blackboard with numbers
Students working on a maths problem
Young teacher teaching and pointing at the blackboard with smile,
Teacher standing in front of a blackboard or teaching students or pupils or mates, in a school class
Student writing on blackboard in class
Mathematics on a blackboard
高校生の授業風景
スクールデイズ
School class teacher giving lesson in front of a blackboard or board teaching students or pupils, they are raising their hands as they know all the answers
黒板に字を書く小学生
Primary schoolgirl drink milk
Teacher or docent or educator giving while lesson in front of a blackboard or board a sheet of paper and educate or teaching students or pupils or mates in a school or class
A girl writing on a blackboard
Cute children drawing on blackboard
黒板に文字を書く高校生たち
A thinking American girl
Schoolgirl at blackboard with arithmetic problem
女の子の横顔
I make being a genius look like child's play
Variations of letter A at blackboard in classroom
Schoolgirl standing at blackboard
Abc
Vintage image of boy at teachers desk
Teacher addressing students in classroom
schoolboy singing through the microphone
schoolboy speaking through the microphone
Chalk board, chalk and an eraser
Slate with apple
Children exchanging notes during class, 1950s-60s
Student doing math at chalk board
Variations of letter A at blackboard and sugar cones in classroom
授業を受ける女子学生
黒板に文字を書く女子高校生二人
Children standing in a row and writing on the blackboard
Schoolgirl writing on the blackboard with young teacher's guidance,
Teacher or educator or docent standing while lesson in front of a blackboard and educate or teach students or pupils or mates in a school or class
Schoolboy writing on the blackboard with young teacher's guidance,
Primary school girls with a magnifying glass globe
chalk and chalk eraser on the dirty blackboard
Schoolgirl drawing on a blackboard
Girl by blackboard and sister at desk
Schoolgirl wearing a rosette
黒板消し
黒板と黒板消しとチョーク
黒板に文字を書く高校生
黒板に文字を書く手
Kids drawing on blackboard
Girl writing on blackboard
Male student talking to teacher in classroom
塾で勉強する女子中学生
The science symbol formula on the blackboard
授業をする講師
Boy writing on blackboard
Primary School Boy Standing in Front of a Blackboard Covered in Chalk Scribbles Giving the Thumbs-Up
Portrait of schoolgirl standing in front of large chalkboard with schoolwork chalked on it
The formula of mathematical symbols on the blackboard
The blackboard painting in front desk and glasses
The blackboard before the book on the desk and laptops
Boy writing on a blackboard