A school chalkboard and teacher's desk with stack of exercise books and an apple. The sum '1 + 1 = 2' is written on the chalkboard.

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Size: 2834px × 4267px
Photo credit: © Frannyanne / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: addition, apple, assessing, blackboard, books, chalk, chalkboard, class, classroom, concept, desk, education, elementary, equals, eraser, exercise, green, homework, learning, marking, mathematics, maths, pencil, pile, piled, primary, rubber, school, simple, stack, stacked, sum, teacher, teachers, teaching