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A Study on Use of Calculators in the Elementary Math Textbook of U.S.  

Ryu, Sung-Rim (Department of Mathematics, Daegu National University of Education)
Publication Information
Communications of Mathematical Education / v.24, no.1, 2010 , pp. 1-27 More about this Journal
Abstract
This study intends to provide implications about sluggish use of calculators in our case by analyzing the math textbook of U.S. Macmillan/McGraw-Hill along with the tendency of paying more attention to math class using technologies. From the results of analysis, this textbook deals with various methods over around 3.3% of all pages, using calculators across all grades from 1st to 6th grade. In particular, it offers guidance into three types such as 'Choose a Computation Method', 'You can also use a calculator.', and 'TECHNOLOGY LINK', while particularly it is impressive in the perspective of using calculators as one of calculation strategies. And case studies of usage in textbooks describe 8 different perspectives as an example-represent; solve problems or equations; develope or demonstrate conceptual understanding; analyze; compute or estimate; describe, explain or justify; choose appropriate calculation method; determine a calculated answer's reasonableness. Reflecting on the fact that we still use calculators in a passive way, there are considerable implications to us.
Keywords
TI-15 calculator; elementary math textbook of U.S.;
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Times Cited By KSCI : 1  (Citation Analysis)
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