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Download full textPrice, Beth; Steinle, Vicki; Stacey, Kaye; Gvozdenko, Eugene – Mathematics Education Research Group of Australasia, 2014
This study reports on the use of formative, diagnostic online assessments for the topic percentages. Two new item formats (drag-drop and slider) are described. About one-third of the school students (Years 7 to 9) could, using a slider, estimate "80% more than" a given length, in contrast with over two-thirds who could estimate "90%…
Descriptors: Computation, Mathematical Concepts, Formative Evaluation, Diagnostic Tests
