Strategic Math: Subtraction Facts 10 to 18
The Strategic Math Series focuses on how to teach basic math facts and operations to students of any age. Content is built upon the concrete-representational-abstract method of instruction. In this approach, understanding of mathematics is developed through the use of concrete objects, representational drawings, and an easy-to-learn strategy that turns all students into active problem solvers.
Subtraction Facts 10 to 18 provides all of the materials you need to teach subtraction facts using the concrete-representational-abstract method of instruction, including student materials and specific teaching procedures for each lesson.
In studies, students' computation scores rose from a pretest mean of 15 percent to a posttest mean of 98 percent. In addition, their speed in making these calculations increased 110 percent.
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Please note that professional development, coaching, and infrastructure support are essential components to effective implementation of SIM instructional tools and interventions. It is highly recommended that you work with a SIM professional developer. See the SIM Event list for sessions or email simpd@ku.edu to learn more.
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Author(s): Cecil D. Mercer, Susan Peterson Miller
Publication Info: Edge Enterprises, 1994
Resources:
- Research: Subtraction Facts 10 to 18 (.pdf)
- Research Articles:
- Miller, S., & Strawser, S. (1996). Promoting strategic math performance among students with learning disabilities. Learning Disability Forum, 21(2), 34-40. This article provides suggestions for classroom teachers who want to integrate strategy instruction into their math curriculum by discussing a strategic classroom environment and strategic learners.
More in the Strategic Math Series
An accessible version of the documents on this site will be made available upon request. Please contact the KU CRL Professional Development Research Institute, at simpd@ku.edu to request the document be made available in an accessible format.