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Carr, Ken; Katterns, Bob – Mathematics in School, 1984
This study involved 179 9-year-olds and 352 13-year-olds in New Zealand. Four addition and four subtraction tasks were set to ascertain students' ability to use the number line. Comparison of these data with results from the national assessment in the United States are given. (MNS)
Descriptors: Addition, Educational Research, Elementary School Mathematics, Elementary Secondary Education
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Brumfield, Robert D.; Moore, Bobby D. – Arithmetic Teacher, 1985
Fourth-grade students in Title I mathematics took 40-problem tests to determine types of persistent errors made in addition and subtraction. Tests, administered to 117 students (addition) and 104 students (subtraction), were analyzed for basic fact, random, or procedural errors. Findings are reported and discussed, and recommendations for…
Descriptors: Addition, Comprehension, Elementary School Mathematics, Error Patterns
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Suh, Jennifer; Moyer, Patricia S.; Heo, Hae-Ja – Journal of Interactive Online Learning, 2005
This paper describes a classroom teaching experiment conducted in three fifth-grade mathematics classrooms with students of different achievement levels. Virtual fraction manipulative concept tutorials were used in three one-hour class sessions to investigate the learning characteristics afforded by these technology tools. The virtual fraction…
Descriptors: Technology Uses in Education, Mathematics, Manipulative Materials, Grade 5