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A teacher watches a group of students weighing apples and writing out measurement problems on the chalkboard.
Keywordsschool, teacher, ounces, classroom, math problems, chalkboard, balance scale, pounds, students working, group work, weighing apples, kids in school
Ellsworth D. Foster ed. The American Educator (vol. 1) (Chicago, IL: Ralph Durham Company, 1921)
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