チョークボードで書くスマートガールのトップビュー, 教師の近くで数える方法を学ぶ, モンテッソーリ学校 - ストックフォト＆画像

Close up of hands business women connecting jigsaw puzzleon, Teamwork workplace success and strategy concept.

Playing game with markers on white board

Closeup teacher hand hold paper cards with numbers addition, plus for teaching Math subject. Concept, Education, Teaching aid, materials for kids. Education, Practice calculate

Hand of little boy work homework carefully

Closeup hand of man connecting jigsaw puzzle with sunlight effect, Business solutions, success and strategy concept

Playing game with markers on white board

Graphical boards to learn mathematics in a Montessori school of alternative education.

Playing game with markers on white board