ABSTRACT
This chapter addresses the strand D and development of special abilities, with attention to assessment and the spatial abilities of students with learning problems. It continues with an overview of curriculum standards in spatial reasoning and geometry, and recommendations for promoting spatial reasoning. Spatial reasoning and related concepts in geometry are among the most neglected topics in mathematics, yet the development of spatial abilities is critical for overall mathematics achievement and problem-solving abilities. The chapter addresses challenging concepts in geometry with intervention recommendations. There are a number of major concepts in geometry that are developed over the grade levels and are often integrated with other mathematics domains. The chapter illuminates these concepts and provides suggestions for instruction for students with mathematics learning problems. The research on interventions in geometry for students with disabilities is scant.
