Search: ""chalk board"" total 427 images pics/page

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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Cute school girl examining dna molecule with microscope
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Blackboard with math lesson written on it
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Portrait of a pretty young college student writing on the blackboard during a maths class (color toned image)
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Senior chemistry professor writing on the board while having a chalk and blackboard lecture (shallow DOF; color toned image)
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happy young boy at first grade math classes solving problems and finding solutions
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Young man in casual with book in hands
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Young man in casual with book in hands
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happy children group in school classrom taking notes and learning biology and anatomy lessons with teacher
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happy young family teach leassons and prepare their son for school while draw on board at home
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happy young family teach leassons and prepare their son for school while draw on board at home
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Handsome cook holding blank chalk board. Place for text
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Young happy businessman holding frame with drawn smile
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Portrait of a pretty young college student writing on the blackboard during a maths class (color toned image)
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group portrait of happy childrens boy and little girl standing in front of black chalkboard
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Cute thoughtful school girl and euro sign above her head
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Cute girl with microscope against blackboard. Elements of this image are furnished by NASA
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Pretty, young female student/young teacxher in front of a blackboard during class
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Pretty young elementary school/college teacher writing on the chalkboard/blackboard during a chemistry class (color toned image; shallow DOF) class (color toned image; shallow DOF)
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Background image with life concepts on dark wall
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Background image with life concepts on dark wall
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Background image with life concepts on dark wall
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Pretty young college student or teacher washing the chalkboard/blackboa rd during class (shallow DOF; color toned image)
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Rear view of businessman looking at chalk sketches on wall
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Exit word drawn with chalk on concrete wall
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Piggy bank sign as symbol for savings on concrete background
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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Pretty young elementary school/college teacher writing on the chalkboard/blackboard during a chemistry class (color toned image; shallow DOF) class (color toned image; shallow DOF)
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Cute boy wearing shirt and paper mustache
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Silhouette of businessman against black wall. Construction concept
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Math teacher drawing fuction graph on a blackboard during mathclass (motion blurred image)
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Young man in glasses standing and holding papers against blackboard
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Blackboard with math lesson written on it
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Blackboard with math lesson written on it
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Blackboard with math lesson written on it
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School blackboard and hand with chalk drawing recycle symbol
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Senior male teacher teaching mathematics, writing on the blackboard
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