The video shows a person's hand holding a marker and writing on a piece of paper. The person writes a series of mathematical equations, including addition and subtraction, and then proceeds to solve them. The person writes the solutions to the equations next to the original equation. The video is shot in a close-up view, focusing on the person's hand and the paper. The person's hand is steady, and the writing is neat and clear. The paper is white, and the marker is black. The person's hand is visible throughout the video, and the person appears to be right-handed. The video does not contain any audio or additional visual elements.