Keywords
arithmetic, caucasian, chalkboard, challenge, challenging, classroom, clearing, close up, close-up, color, color image, colour, complex, computation, compute, computing, correct, correcting, counseling, educating, education, educator, equation, eraser, erasing, full frame, guidance, horizontal, indoors, inside, intelligence, knowledge, learning, male, man, math, mathematician, number, numeral, one, one person, only men, opportunity, people, person, photography, rectifying, resolving, school, solve, solving, studying, symbol, symbolic, teach, teacher, teaching, text, western european, word, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u13632812