An addition table on a chalkboard in a schoolhouse.

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Size: 3908px × 2514px
Photo credit: © Bradley Sauter / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: add, adding, addition, arithmetic, black, blackboard, calculation, chalk, chalkboard, childhood, class, classroom, column, education, elementary, figures, formula, handwriting, homework, learn, learning, math, mathematics, numbers, rules, scholar, scholarship, school, student, subject, symbol, table, write