446 images for black board equation

  • Woman solving mathematical equation Stock Photo - Premium Royalty-Free, Code: 614-06898228

    614-06898228

    Woman solving mathematical equation

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  • Student writing math on chalkboard Stock Photo - Premium Royalty-Free, Code: 649-06113743

    649-06113743

    Student writing math on chalkboard

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  • Mass-energy equivalence formula (E = mc2) written on blackboard Stock Photo - Premium Royalty-Free, Code: 632-05991483

    632-05991483

    Mass-energy equivalence formula (E = mc2) written on blackboard

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  • Boy standing beside blackboard with algebra Stock Photo - Premium Royalty-Free, Code: 649-07064777

    649-07064777

    Boy standing beside blackboard with algebra

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  • Woman solving a mathematical equation Stock Photo - Premium Royalty-Free, Code: 614-06898199

    614-06898199

    Woman solving a mathematical equation

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  • 1960s SCIENCE PROFESSOR WRITING A FORMULA FOR CHELATING AGENT ON CHALKBOARD Stock Photo - Rights-Managed, Code: 846-05647177

    846-05647177

    1960s SCIENCE PROFESSOR WRITING A FORMULA FOR CHELATING AGENT ON CHALKBOARD

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  • Boy with formulae on blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762784

    614-02762784

    Boy with formulae on blackboard

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  • Boy in front of blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762785

    614-02762785

    Boy in front of blackboard

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  • Schoolboy in front of blackboard with head in his hands Stock Photo - Premium Royalty-Free, Code: 6116-07235689

    6116-07235689

    Schoolboy in front of blackboard with head in his hands

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  • Man in front of blackboard Stock Photo - Premium Royalty-Free, Code: 614-06898448

    614-06898448

    Man in front of blackboard

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  • Boy with formulae on blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762687

    614-02762687

    Boy with formulae on blackboard

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  • Girl writing on blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762679

    614-02762679

    Girl writing on blackboard

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  • Boy with globe in front of blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762786

    614-02762786

    Boy with globe in front of blackboard

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  • Boy by blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762652

    614-02762652

    Boy by blackboard

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  • Boy with apple by blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762658

    614-02762658

    Boy with apple by blackboard

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  • Students in front of blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762625

    614-02762625

    Students in front of blackboard

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  • Schoolboy in front of blackboard with hands on chalkboard Stock Photo - Premium Royalty-Free, Code: 6116-07235690

    6116-07235690

    Schoolboy in front of blackboard with hands on chalkboard

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  • 1930s 1940s MAN TEACHER PROFESSOR LOOKING AT CAMERA WITH POINTER AT BLACKBOARD Stock Photo - Rights-Managed, Code: 846-02797123

    846-02797123

    1930s 1940s MAN TEACHER PROFESSOR LOOKING AT CAMERA WITH POINTER AT BLACKBOARD

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  • Elementary teacher writing arithmetic on blackboard, rear view Stock Photo - Premium Royalty-Free, Code: 632-03193669

    632-03193669

    Elementary teacher writing arithmetic on blackboard, rear view

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  • Graduating girl in front of blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762787

    614-02762787

    Graduating girl in front of blackboard

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  • Equation on a black board Stock Photo - Rights-Managed, Code: 853-03616781

    853-03616781

    Equation on a black board

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  • Boy leaning on blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762673

    614-02762673

    Boy leaning on blackboard

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  • Girl moving in front of blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762654

    614-02762654

    Girl moving in front of blackboard

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  • Elementary teacher writing math equations on blackboard Stock Photo - Premium Royalty-Free, Code: 632-03193666

    632-03193666

    Elementary teacher writing math equations on blackboard

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  • Skeleton in front of blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762636

    614-02762636

    Skeleton in front of blackboard

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  • Girl in classroom raising hand to answer question Stock Photo - Premium Royalty-Free, Code: 632-03193648

    632-03193648

    Girl in classroom raising hand to answer question

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  • Calculus on blackboard Stock Photo - Premium Royalty-Free, Code: 614-01702107

    614-01702107

    Calculus on blackboard

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  • Students with globe in front of blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762788

    614-02762788

    Students with globe in front of blackboard

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  • Schoolgirl doing math equation on the black board Stock Photo - Premium Royalty-Free, Code: 6116-07235686

    6116-07235686

    Schoolgirl doing math equation on the black board

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  • Calculus on blackboard Stock Photo - Premium Royalty-Free, Code: 614-01702096

    614-01702096

    Calculus on blackboard

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  • Boy solving math problem Stock Photo - Premium Royalty-Free, Code: 632-05991984

    632-05991984

    Boy solving math problem

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  • Calculus on blackboard Stock Photo - Premium Royalty-Free, Code: 614-01702138

    614-01702138

    Calculus on blackboard

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  • Teacher writing on blackboard Stock Photo - Premium Royalty-Free, Code: 632-03193671

    632-03193671

    Teacher writing on blackboard

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  • Students in front of blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762648

    614-02762648

    Students in front of blackboard

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  • Calculus on blackboard Stock Photo - Premium Royalty-Free, Code: 614-01702120

    614-01702120

    Calculus on blackboard

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  • Teacher watching boy writing on blackboard Stock Photo - Premium Royalty-Free, Code: 632-03193657

    632-03193657

    Teacher watching boy writing on blackboard

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  • Woman standing proudly in front of chalk board Stock Photo - Premium Royalty-Free, Code: 655-02375852

    655-02375852

    Woman standing proudly in front of chalk board

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  • 1950s MATH TEACHER STANDING IN FRONT OF BOARD HOLDING CHALK AND ERASER Stock Photo - Rights-Managed, Code: 846-02797560

    846-02797560

    1950s MATH TEACHER STANDING IN FRONT OF BOARD HOLDING CHALK AND ERASER

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  • Math symbols on blackboard Stock Photo - Premium Royalty-Free, Code: 6111-06727549

    6111-06727549

    Math symbols on blackboard

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  • Teacher Looking at Math Problems on Blackboard Stock Photo - Premium Royalty-Free, Code: 600-01695347

    600-01695347

    Teacher Looking at Math Problems on Blackboard

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  • Calculus on blackboard Stock Photo - Premium Royalty-Free, Code: 614-01702079

    614-01702079

    Calculus on blackboard

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  • teacher writing formulas on chalkboard Stock Photo - Premium Royalty-Free, Code: 655-02702939

    655-02702939

    teacher writing formulas on chalkboard

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  • Teacher at Blackboard Stock Photo - Premium Royalty-Free, Code: 600-01695340

    600-01695340

    Teacher at Blackboard

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  • Woman writing equations on chalk board Stock Photo - Premium Royalty-Free, Code: 655-02375838

    655-02375838

    Woman writing equations on chalk board

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  • Portrait of schoolgirl in front of blackboard with math equations Stock Photo - Premium Royalty-Free, Code: 6116-07235688

    6116-07235688

    Portrait of schoolgirl in front of blackboard with math equations

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  • Piggy bank and pile of books Stock Photo - Premium Royalty-Free, Code: 614-01636037

    614-01636037

    Piggy bank and pile of books

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  • Boy looking at blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762638

    614-02762638

    Boy looking at blackboard

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  • Two students doing math formula on the chalkboard, Beijing Stock Photo - Premium Royalty-Free, Code: 6116-07085306

    6116-07085306

    Two students doing math formula on the chalkboard, Beijing

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  • Schoolgirl Solving Math Problem Stock Photo - Rights-Managed, Code: 859-03860824

    859-03860824

    Schoolgirl Solving Math Problem

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  • Teacher Writing on Blackboard Stock Photo - Premium Royalty-Free, Code: 600-01695350

    600-01695350

    Teacher Writing on Blackboard

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  • Woman writing equations on chalk board Stock Photo - Premium Royalty-Free, Code: 655-02375825

    655-02375825

    Woman writing equations on chalk board

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  • Girl by blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762661

    614-02762661

    Girl by blackboard

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  • Teacher Looking at Math Problems on Blackboard Stock Photo - Premium Royalty-Free, Code: 600-01695346

    600-01695346

    Teacher Looking at Math Problems on Blackboard

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  • 1960s ANGLED BACK VIEW OF CLASSROOM WITH TEACHER AT BLACKBOARD PLOTTING COMPLEX EQUATION IN GRAPH FORM Stock Photo - Rights-Managed, Code: 846-02796975

    846-02796975

    1960s ANGLED BACK VIEW OF CLASSROOM WITH TEACHER AT BLACKBOARD PLOTTING COMPLEX EQUATION IN GRAPH FORM

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  • Ecosystem in a Jar on School Desk in Classroom Stock Photo - Rights-Managed, Code: 700-02121505

    700-02121505

    Ecosystem in a Jar on School Desk in Classroom

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  • Mathmetician working to solve equation. Stock Photo - Premium Royalty-Free, Code: 6128-08728257

    6128-08728257

    Mathmetician working to solve equation.

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  • Adult student raising hand for teacher Stock Photo - Premium Royalty-Free, Code: 655-02375857

    655-02375857

    Adult student raising hand for teacher

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  • Boy erasing blackboard Stock Photo - Premium Royalty-Free, Code: 632-03193641

    632-03193641

    Boy erasing blackboard

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  • 1960s BACK VIEW OF CLASSROOM WITH TEACHER STANDING BEHIND DESK WITH BOOK IN HAND EXPLAINING GRAPHED EQUATION ON BLACKBOARD Stock Photo - Rights-Managed, Code: 846-02796976

    846-02796976

    1960s BACK VIEW OF CLASSROOM WITH TEACHER STANDING BEHIND DESK WITH BOOK IN HAND EXPLAINING GRAPHED EQUATION ON BLACKBOARD

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  • Three school children doing math equations on the blackboard Stock Photo - Premium Royalty-Free, Code: 6116-07235687

    6116-07235687

    Three school children doing math equations on the blackboard

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  • Man Wearing Dunce Cap Stock Photo - Premium Royalty-Free, Code: 600-01695335

    600-01695335

    Man Wearing Dunce Cap

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  • Primary schoolgirl scratching her head at equation on classroom blackboard Stock Photo - Premium Royalty-Free, Code: 649-08895120

    649-08895120

    Primary schoolgirl scratching her head at equation on classroom blackboard

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  • Boy at chalkboard with math formulas thinking Stock Photo - Premium Royalty-Free, Code: 640-02774612

    640-02774612

    Boy at chalkboard with math formulas thinking

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  • Rear view of boy at chalkboard doing math formulas Stock Photo - Premium Royalty-Free, Code: 640-01575090

    640-01575090

    Rear view of boy at chalkboard doing math formulas

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  • Teacher with Student in Classroom Stock Photo - Rights-Managed, Code: 700-02217476

    700-02217476

    Teacher with Student in Classroom

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  • Teacher and Students in Classroom Stock Photo - Rights-Managed, Code: 700-02217475

    700-02217475

    Teacher and Students in Classroom

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  • Illustration of female professor writing equation on chalkboard Stock Photo - Premium Royalty-Free, Code: 632-08227898

    632-08227898

    Illustration of female professor writing equation on chalkboard

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  • Teacher Standing in Front of Blackboard Stock Photo - Premium Royalty-Free, Code: 600-01695348

    600-01695348

    Teacher Standing in Front of Blackboard

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  • Teacher in Front of Blackboard Stock Photo - Premium Royalty-Free, Code: 600-01695345

    600-01695345

    Teacher in Front of Blackboard

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  • teacher writing formulas on chalkboard Stock Photo - Premium Royalty-Free, Code: 655-02702935

    655-02702935

    teacher writing formulas on chalkboard

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  • Teacher Standing in Front of Blackboard Stock Photo - Premium Royalty-Free, Code: 600-01695349

    600-01695349

    Teacher Standing in Front of Blackboard

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  • Teacher in Classroom Stock Photo - Premium Royalty-Free, Code: 600-01695343

    600-01695343

    Teacher in Classroom

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  • Little boy erasing classroom blackboard Stock Photo - Premium Royalty-Free, Code: 632-03193682

    632-03193682

    Little boy erasing classroom blackboard

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  • Woman working on equations on chalk board Stock Photo - Premium Royalty-Free, Code: 655-02375870

    655-02375870

    Woman working on equations on chalk board

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  • Boy erasing blackboard, rear view Stock Photo - Premium Royalty-Free, Code: 632-03193652

    632-03193652

    Boy erasing blackboard, rear view

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  • Girl doing maths on blackboard Stock Photo - Premium Royalty-Free, Code: 649-08824233

    649-08824233

    Girl doing maths on blackboard

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  • Confused Scientist in Front of Blackboard Stock Photo - Premium Royalty-Free, Code: 600-01695339

    600-01695339

    Confused Scientist in Front of Blackboard

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  • Schoolgirl Solving Math Problem Stock Photo - Rights-Managed, Code: 859-03860825

    859-03860825

    Schoolgirl Solving Math Problem

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  • Rear view of a teacher writing on blackboard Stock Photo - Premium Royalty-Free, Code: 645-02153432

    645-02153432

    Rear view of a teacher writing on blackboard

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  • Rear view of boy at chalkboard doing math formulas and scratching head Stock Photo - Premium Royalty-Free, Code: 640-01575089

    640-01575089

    Rear view of boy at chalkboard doing math formulas and scratching head

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  • Rear view of a girl writing on a blackboard Stock Photo - Premium Royalty-Free, Code: 640-01361110

    640-01361110

    Rear view of a girl writing on a blackboard

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  • Boy writing on blackboard Stock Photo - Premium Royalty-Free, Code: 632-03193675

    632-03193675

    Boy writing on blackboard

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  • Portrait of Scientist Stock Photo - Premium Royalty-Free, Code: 600-01695336

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    Portrait of Scientist

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  • Boy and blackboard Stock Photo - Premium Royalty-Free, Code: 614-02762623

    614-02762623

    Boy and blackboard

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  • Teacher Standing at Blackboard Stock Photo - Rights-Managed, Code: 700-01119731

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    Teacher Standing at Blackboard

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  • Teacher writing on whiteboard Stock Photo - Premium Royalty-Free, Code: 649-02055479

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    Teacher writing on whiteboard

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  • Young student in front of blackboard, making a face Stock Photo - Premium Royalty-Free, Code: 6116-07085213

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    Young student in front of blackboard, making a face

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  • Rear view of boy at chalkboard doing math formulas and scratching head Stock Photo - Premium Royalty-Free, Code: 640-02774607

    640-02774607

    Rear view of boy at chalkboard doing math formulas and scratching head

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  • Boy standing beside blackboard with algebra Stock Photo - Premium Royalty-Free, Code: 649-07064776

    649-07064776

    Boy standing beside blackboard with algebra

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  • View on blackboard with computations and graphical presentation Stock Photo - Budget Royalty-Free & Subscription, Code: 400-06869599

    400-06869599

    View on blackboard with computations and graphical presentation

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