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Kastberg, Signe E.; Frye, R. Scott – Teaching Children Mathematics, 2013
To challenge students' reasoning and to align with a physical fitness unit that students were studying, teachers and authors, Scott Frye and Signe Kastberg adapted a ratio comparison problem from Susan Lamon, "Ratio and Proportion: Connecting Content and Children's Thinking," (1994) to include athletes and doctors who share…
Descriptors: Mathematics Instruction, Mathematical Logic, Grade 6, Physical Fitness
D'Ambrosio, Beatriz S.; Kastberg, Signe E. – Teaching Children Mathematics, 2012
Asked to complete a decimal-ordering task, several preservice teachers were unable to arrange the values from smallest to largest. Even more surprising to the authors were the number who could solve this task correctly but could not justify their solution by representing each decimal in an area model using a decimal grid. Their preservice teachers…
Descriptors: Mathematics Instruction, Preservice Teachers, Error Patterns, Mathematical Concepts
Mohr, Doris J.; Walcott, Crystal Y.; Kastberg, Signe E. – Teaching Children Mathematics, 2008
This article describes a tool teachers can use to analyze student work and provides activity suggestions to guide instruction based on their findings. By integrating the voice of the child and the voice of the discipline, teachers can use their inner voice to build a model of the child's understanding. (Contains 8 figures.)
Descriptors: Student Evaluation, Evaluation Methods, Writing (Composition), Mathematics Instruction