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Friend, Jamesine E. – 1979
The purpose of this study was to find out what difficulties Nicaraguan children encounter in doing addition and subtraction exercises. The results were used in the design of radio lessons in mathematics for elementary school. The performance on addition exercises is analyzed with a view toward identifying the distinct skills that are required by…
Descriptors: Addition, Algorithms, Elementary Education, Elementary School Mathematics
Wheatley, Grayson H. – 1975
Speed and accuracy in adding a colunm of one addend numbers directly down a column was compared to adding by looking for combinations which add to ten. Ninety-two fourth-grade subjects learned one of these two methods for one week and then learned the other method the following week. Using timed tests after each treatment, it was found that the…
Descriptors: Addition, Algorithms, Elementary Education, Elementary School Mathematics
Coscarelli, William C.; And Others – 1976
Ninety students in an introductory chemistry class were divided into three groups to test the power of algorithms to increase logical thinking abilities. The experimental group received approximately 10 hours of laboratory instruction based on the use of procedural algorithms. Experiment and control groups were tested for logical thinking…
Descriptors: Algorithms, Chemistry, College Science, Educational Research