Blackboard Visual Aid Stock Videos

Browse 14,774 blackboard visual aid videos and clips available to use in your projects, or start a new search to explore more footage and b-roll video clips.

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close-up of the hand of a middle-aged man plotting a graph to show the relative speed at which the planets in our galaxy travel around the sun relative to the distance of their orbits from the sun (m equals mercury, v equals venus etc.) with chalk. - blackboard visual aid stock videos & royalty-free footage
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Close-up of the hand of a middle-aged man plotting a graph to show the relative speed at which the planets in our galaxy travel around the sun relative to the distance of their orbits from the sun (M equals Mercury, V equals Venus etc.) with chalk.
Mathematics, Lecture Hall, Astronomy
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glass wall, hands writing and planning, brainstorming and math equation in office. strategy, idea and person with marker on board for business project, formula and financial analysis of information - blackboard visual aid stock videos & royalty-free footage
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Glass wall, hands writing and planning, brainstorming and math equation in office. Strategy, idea and person with marker on board for business project, formula and financial analysis of information
Glass - Material, Mathematical Formula, Close-Up
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