教壇に置かれたそろばんと教室
机の上に置かれたそろばんと教室
教壇に置かれたそろばんと黒板
算数の授業中の机
Student doing geometry
Abacus
笑顔の子供たち
教室で遊ぶ子供たち
笑顔の女の子
考え事をする女の子
教室
机の上の文具
Abacus on Case
中学生
Mathematics equipment
習字の授業中の机
掃除中の教室
授業中の机
Girl studying
Wooden abacus against black background.
Abacus against black background.
Abacus and its shadow
黒板に書かれた数学
Early 20th Century maths class
Mint Images 55657
田舎小学校の教卓
須玉歴史資料館 旧津金学校
Slide rule
授業
Abacus and toys on DIY shelves hanging on leather strips
岬の分教場 小豆島
Teacher writing on whiteboard
満点のテスト
Globe sitting on a desk in a classroom
教室に一列に並ぶ椅子
こちらを指差す男性教師
Student doing a math on the whiteboard
Math sign for elementary classroom
黒板の前で微笑む小学生女子3人
指でゲームをする小学生女子3人
遊んでいる小学生女子3人
帳場に置いた算盤
消された黒板
Student writing maths equations on whiteboard with tutor
Small girl with abacus on white
Child using an abacus
ホワイトボードに数式を書く中学生
selective focus on nearest parts of some yellow pencil
Bamboo crafts calculator
Calculator paper and broken pencil
High Angle View of Child's Hands on White Toy Calculator
そろばん
Boy counting on an abacus
Boy learning times tables, close-up
Teacher and student by whiteboard
算数の授業(クラフト)
Braces on homework
Mathematical Equation
Civilian Conservation Corps studying maths with WPA teacher
Papers, notebook and smartphone on classrom desk.
Girl (4-7) behind abacus, smiling, close-up
Girl (4-7) using abacus, close-up
Girl using abacus
地球儀
educational concept, selective focus on writing part of red pencil
Calculator
Logarithmic slide rule
Cute baby doing mathematics on blackboard
Child writing on blackboard
Replica of John Farey's ellipsograph
Teacher and pupils (8-11) during lesson
Geometry instruments
教育イメージ―満点のテストと鉛筆
Miserable Female Teacher Sitting Behind a Desk
Fractal pattern and time travel
教室の黒板
教室イメージ
Disabled girl in classroom
Protractor on white background, close up
Pair of compasses on white background, close up
Ruler on white background, close up
Schoolgirl with an apple
教育イメージ―算数
educational concept, selective focus on writing part of pencil
doing math, selective focus on nearest part of pencil
calculation concept with pencil and notebook, focus on center of photo
writing red pencil in closeup, selective focus on center
writing yellow pencil in closeup, selective focus on center
机
Gun shaped ruler and pen on paper
Ruler and pen on paper
Russia, Moscow, empty lecture hall in Moscow State University
Boy writing on blackboard
Boy and blackboard
理科室
人体模型
理科室の椅子
Girl writing on whiteboard
問題集の上に置かれたそろばん
Girl (6-7) writing on blackboard in classroom, rear view
Grade 1 student in classroom
Girl with abacus on white
School things in class room
勉強
黒板の前に立っている小学生の女の子2人
黒板の前に立っている小学生の女の子3人
Children's mathematics equipment
理科室の黒板
math items, selective focus on nearest part of pencil
教育イメージ―かけ算のテストと鉛筆
Calculator and papers
Array of spectral lights
books and chalk by blackboard
Books and chalk with math problem in background
ノートパソコン
大学の教室