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Download full textKim, Eun Mi; Haberstroh, Jeff; Peters, Stephanie; Howell, Heather; Olah, Leslie Nabors – ETS Research Report Series, 2017
As part of the CBAL® learning and assessment initiative in mathematics, we developed a hypothesized learning progression (LP) for geometrical measurement in 1, 2, and 3 dimensions based on a synthesis of empirical literature in this field and through expert review. The geometrical measurement LP is intended to represent a developmental progression…
Descriptors: Geometric Concepts, Geometry, Measurement, Achievement Gains
Frankel, Lois; Brownstein, Beth; Soiffer, Neil – ETS Research Report Series, 2017
This report describes the pilot conducted in the final phase of a project, Expanding Audio Access to Mathematics Expressions by Students With Visual Impairments via MathML, to provide easy-to-use tools for authoring and rendering secondary-school algebra-level math expressions in synthesized speech that is useful for students with blindness or low…
Descriptors: Visual Impairments, Research Reports, Audiovisual Aids, Assistive Technology
