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Jacobson, Marilyn – Arithmetic Teacher, 1979
This activity unit provides an example of how the construction and interpretation of graphs can be incorporated into elementary classroom activities. (MP)
Descriptors: Activity Units, Concept Formation, Elementary Education, Elementary School Mathematics
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West, Mike; Haar, Ken – Arithmetic Teacher, 1978
One student's project involved a contest of guessing how many peanuts were in a 100-pound bag. His teacher briefly reflects on the wide range of guesses and students' concept of large numbers. (MP)
Descriptors: Activity Units, Concept Formation, Elementary Education, Elementary School Mathematics