4K 0:08 | Hand with white chalk drawing a line on a black rough chalkboard close-up. The concept of creativity. Sketching and education idea
4K 0:12 | Close up shot of hand of unrecognizable woman writing programming code with chalk on blackboard
4K 0:12 | Zoom-in high angle view of diverse creative team working in shared office talking cooperating using laptops writing on chalkboard wall
HD 0:38 | The engineer is calculating the result of the equation to design the electronic circuit, Men writing and sophisticated mathematical formula on chalkboard.
HD 0:15 | School background animation stationery on a blackboard. creative back to school concept with copy space, Teacher's Day. Creative banner Back to school. animated banner design with black school board.
4K 0:10 | abstract blackboard texture background. Vintage motion graphic animation. Seamless loop with copy space
HD 0:07 | Three question marks drawn in chalk on a blackboard.
HD 0:10 | grunge watercolor drawn question mark sign cartoon stop motion animation on paper background seamless loop - new dynamic joyful stop motion video art school science footage
4K 0:15 | Indian Rural primary students wearing uniforms solving a mathematical problem on a board using chalk along with a male and female classmate in a village, Kudal, Maharashtra, India (March 2022)
HD 0:10 | chalk drawn question mark sign letter cartoon stop motion animation on school blackboard background seamless loop - new dynamic joyful stop motion video school science footage
4K 0:29 | Caucasian woman teacher teaching a schoolboy writing or drawing on chalk board in classroom at school. Teacher and little boy student elementary at art lesson. Children learning concept
4K 0:08 | Question mark on chalkboard :4K Footage
HD 0:56 | Teacher's Day. Creative banner Back to school. 4K animated banner design with black school board and white chalk drawings. Drawn classroom for education
4K 0:17 | Indian Rural primary school girl wearing uniform writing or solving a mathematical problem or sum on a board with chalk standing outdoor in premises. Writing S, D, A, and number 4, 1, 0 in Marathi
HD 0:13 | Motivation Concept For Business. Remove The Word Impossible To Read Possible Concept For Self Belief, Positive Attitude And Motivation. The Hand Crosses out the Part of the Text on the Paper
HD 0:08 | Question marks on blackboard
Ask for help. FAQ concept. Asking questions.
4K 0:16 | Chalk sketch drawing on grungy black board. Creativity concept
HD 0:10 | Hand writing on chalkboard mathematical example - two multiply two exactly four.
HD 0:08 | marker drawn question mark Exclamation point sign animation on white background seamless loop - new dynamic joyful stop motion video school science footage
HD 0:08 | Question mark drawn in chalk on a blackboard
4K 0:07 | Hand drawing symbols of men with white chalk on chalkboard. Equality of men and women. Vertical video
4K 0:09 | African american, Mixed race little boy drawing on chalk board with chalk in classroom at school. A little boy using a chalk drawing on board. Children learning concept
4K 0:10 | Human-like robot thinking out loud. Smart android person solving scientific problem writing formulas on chalkboard focused on studies. Future and knowledge 3D concept.
4K 0:09 | Human-like robot thinking out loud. Smart android person solving scientific problem writing formulas on chalkboard focused on studies. Future and knowledge 3D concept.
HD 0:08 | Question marks in chalk on a blackboard. Ask for help. FAQ concept. Asking questions.
4K 0:18 | 4K Portrait smiling man in white coat writing math formulas on blackboard Dec 2016-UK
4K 0:17 | Drawing men symbols with blue chalk on chalkboard. Man plus man equals love written on blackboard. Concept for equality of men. Vertical video
HD 0:11 | Have question symbol. Blackboard writing hand drawn question mark icon chalkboard background. Chalk board writing question sign writing board black.
HD 0:09 | Have question symbol. Blackboard writing hand drawn question mark icon chalkboard background. Chalk board writing question sign writing board black.
4K 0:06 | Have question symbol. Blackboard writing hand drawn question mark icon black chalkboard background. Chalk board writing question sign writing board black. Find answers who, what, where, when, why, how
4K 0:29 | Little boys and girls, children drawing on blackboard, spending time together, studying, learning, playing. Concept of business, education, lessons, games and study and psychology. Ad
HD 0:07 | Chalk writing - ? on chalkboard
4K 0:15 | Startup written on chalkboard. Hand writing word Startup with white chalk on blackboard. Business motivation, start-up. Chalkboard wall with planner. Vertical video
4K 0:05 | Writing exclamation mark with chalk on blackboard. Hand drawing exclamation point on chalkboard. Vertical video
HD 0:11 | Sale. Female hand writes inscription on the chalk board
4K 0:10 | Portrait of young smart clever woman teacher lecturer standing with chalk board full of math equations at background. Lady sure in herself with crossed arms and smile a little. Glidetrack
4K 0:39 | child is successfully wrote the answer on the board
4K 0:10 | Hand draws chalk on a blackboard. Why not convert idea into money? Time lapse
4K 0:13 | 4K Happy little scientist with fake mustache writing math formulas on blackboard
4K 0:18 | African american, Mixed race little boy and woman teacher writing or drawing together on chalk board in classroom at school. Woman teacher teaching a schoolboy drawing on chalk board
HD 0:36 | The engineer is calculating the result of the equation to design the electronic circuit, Men writing and sophisticated mathematical formula on chalkboard.
4K 0:12 | Zoom-out time lapse of business team men and women working together in creative workplace discussing work walking using laptop and writing on chalkboard wall
4K 0:16 | A male hand writing on blackboard. Man's hand writing with chalk on board. Close view teacher's hand writing on blackboard in classroom. Professor teaching math on blackboard.
4K 0:11 | Learning process at school, female teacher writes with chalk on the chalkboard.
HD 0:08 | Question marks on blackboard
Ask for help. FAQ concept. Asking questions.
4K 0:07 | Strategy of success and money on a chalkboard: quality, productivity, creativity
4K 0:10 | Teacher is writing letter of alphabet on blackboard with chalk. Education in elementary school concept.
4K 0:08 | African american cute little child boy writes on a chalk board with chalk in classroom at school. Little boy writes on green board in classroom. Back to School. Education concept
4K 0:17 | Hand draws men equality symbol on blackboard. Man plus man equals love written on chalkboard. Vertical video
4K 0:15 | Female teacher explaining math to students in front of blackboard with pasted notes and math formulas written in chalk. The teacher is angry because her students don't understand the problem.
4K 0:21 | Back view of female programmer writing code with chalk on blackboard, removing it with cloth and adding correct information
4K 0:08 | Zoom out shot of blackboard with programming code written with chalk in classroom with no people
4K 0:12 | Time-Lapse/ Stop Motion of the Young Man Drawing on Blackboard Inspirational Keywords for Business Start-up. Colorful Drawings with Bits of Wisdom. Shot on RED EPIC-W 8K Helium Cinema Camera.
HD 0:20 | Light Bulb Loop - Light bulb draws on. Exactly 60 frames after the light bulb completely draws on, there is a loop point. Traveling matte included.
HD 0:13 | Video of Sorry text
4K 0:26 | 4K Portrait of academic man writing math formulas on blackboard
4K 0:07 | Child drawing a words peace not war with a turquoise and yellow chalks surrounded by little love hearts on a blackboard in timelapse. Hand of a kid in pink clothes drawing anti-war message on used
4K 0:05 | Child writing words good health and good life with arrow leading from one phrase to another with chalks on a blackboard in timelapse. Hand of a kid in pink clothes writing healthy lifestyle message on
4K 0:12 | Back view of smart diverse student drawing mind map on blackboard. high school cute children sharing or brainstorming idea for programming or coding system by using mind map at STEM class. Edification
HD 0:06 | Macro of unrecognizable chemist hand writing chemical equations on blackboard using piece of chalk
4K 0:12 | Zoom-out time lapse of people diverse group working together writing and drawing on blackboard with chalk busy with creative project. Occupation and workspace concept.
4K 0:16 | Site view of diverse student write engineering code at blackboard. Multicultural smart children planing or brainstorming creative idea while wearing casual cloth in STEM technology class. Edification
4K 0:15 | Priorities! written with color chalk. Supported by an additional services. Blackboard concept
4K 0:07 | Hand writing Question mark on chalkboard. Question mark on blackboard. Male hand drawing question mark. Vertical video
4K 0:08 | blackboard with soccer strategies simulation for the attack
4K 0:12 | Time lapse of diverse group of businesspeople working in creative office talking cooperating moving around. Workplace and employees concept.
4K 0:09 | Hand writes word Yes! on chalkboard. Yes written on blackboard with chalk. Vertical video
HD 0:11 | Crowdfunding board chalk hand animation
4K 0:14 | No racism written on chalkboard. Stop Racism. Anti-racism movement. Conceptual chalk drawing. Vertical video
4K 0:40 | Animated Mathematical Formula Calculations loop Background green screen. 4K School education presentation. Business idea or business solution, Webinar Training Online Education Background
4K 0:13 | Word Deadline written on chalkboard. hand writes deadline with chalk on blackboard. Marketing and business strategy planning. Career growth. Vertical video
4K 0:17 | 4K Portrait of thinking woman sitting in front of blackboard with math formulas
4K 0:16 | Word Diabetes written on chalkboard. Hand writing word diabetes with chalk on blackboard. Vertical video
HD 0:28 | Sale. Female hand writes chalk digit ten, twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety percent chalk. Inscription on the black board. Chalk board. 10,20,30,40,50,60,70,80,90
4K 0:12 | Engrossed multi ethnic boys drawing and painting with colorful chalks and felt-tip pen on easel board in kindergarten. Positive diverse kids expressing creativity and imagination at preschool class.
4K 0:12 | Animated self drawing of continuous line draw business man teacher standing in front of white board, holding book and writing business plan strategy and tactics theory. Full length one line animation
HD 0:07 | Happy Birthday to you logo animation video, Motion graphics of Happy birthday monogram, Video background banner for happy birthday symbol
4K 0:13 | African American IT specialist in wireless headphones writing computer algorithm on chalkboard in office
HD 0:10 | pop art paper question mark sign cartoon stop motion animation seamless loop - new dynamic joyful stop motion video school science footage
4K 0:12 | Animated self drawing of continuous line draw rear view of woman teacher writing formulas on classroom chalkboard holding chalk in right hand. University education. Full length single line animation
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:13 | High angle view of young female student writing programming code on blackboard while studying data science or software development
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:35 | Business man infographic visualization of project issue, idea, solution planning, execution and success with charts and graphs available in 4k UHD FullHD and HD chalkboard video animation footage
4K 0:05 | Back to school icon 4K animation with green screen background
4K 1:07 | Brainstorming concept icon, idea on chalkboard.4k size movie
4K 0:24 | Older man teaching in classroom pointing at diagrams on a blackboard
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:05 | Back to school icon 4K animation with green screen background
4K 0:05 | Back to school icon 4K animation with green screen background