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Direct linkBurns, Barbara A.; Hamm, Ellen M. – School Science and Mathematics, 2011
The primary purpose of this classroom experiment was to examine the effectiveness of concrete (hands-on) manipulatives as compared with virtual (computer-based) manipulatives on student review of fraction concepts in third grade and introduction of symmetry concepts in fourth grade. A pretest-posttest design was employed with a sample of 91…
Descriptors: Manipulative Materials, Grade 4, Grade 3, Computer Uses in Education
