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Arithmetic Teacher

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Demana, Franklin	2
Comstock, Margaret	1
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One Point of View: Choosing a Calculator: Four-Function Foul-ups.

Peer reviewed

Demana, Franklin; Osborne, Alan – Arithmetic Teacher, 1988

Argues that the type of calculator that is used in mathematics instruction is very important. Suggests that four-function calculators fail to give correct values of mathematical expressions far more often than do scientific calculators. (PK)

Descriptors: Algorithms, Calculators, Computation, Educational Technology

The Calculator is a Problem-solving Concept Developer.

Peer reviewed

Comstock, Margaret; Demana, Franklin – Arithmetic Teacher, 1987

How calculators can enhance problem-solving abilities is discussed. Examples of calculator table-building activities that span the gap from arithmetic to algebra in middle schools are given. Percent, area and perimeter, and exponents are the focus. (MNS)

Descriptors: Calculators, Elementary School Mathematics, Elementary Secondary Education, Exponents (Mathematics)