Search Results - "Orrill, Chandra Hawley"

High school mathematics teachers’ discernment of invariant properties in a dynamic geometry environment by Nagar, Gili Gal, Hegedus, Stephen, Orrill, Chandra Hawley

“…Variance and invariance are two powerful mathematical ideas to support geometrical and spatial thinking, yet there is limited research about teachers’…”
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Framing a robust understanding of proportional reasoning for teachers by Weiland, Travis, Orrill, Chandra Hawley, Nagar, Gili Gal, Brown, Rachael Eriksen, Burke, James

“…Proportional reasoning is foundational in school mathematics. Despite the importance of proportional reasoning, little has been written about the knowledge…”
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Mathematics Teachers’ Use of Knowledge Resources When Identifying Proportional Reasoning Situations by Brown, Rachael Eriksen, Weiland, Travis, Orrill, Chandra Hawley

“…In this qualitative study, we investigated teachers’ use of proportional knowledge resources while being asked to appropriately identify if a given situation…”
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International perspectives on frameworks for mathematics teachers' knowing and quality of mathematics instruction by Manizade, Agida, Orrill, Chandra Hawley

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Teachers' abilities to make sense of variable parts reasoning by Orrill, Chandra Hawley, Millett, John E.

“…The purpose of this study was to investigate how teachers understand one specific aspect of proportional reasoning. We were interested in understanding the…”
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Teachers’ Understanding of Draggable Geometric Objects: Variance and Invariance in a Dynamic Geometry Environment by Nagar, Gili Gal, Hegedus, Stephen, Orrill, Chandra Hawley

“…There has been little written about the ways in which teachers understand draggable geometric objects in a dynamic geometry environment with respect to…”
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Bringing computational thinking into classrooms: a systematic review on supporting teachers in integrating computational thinking into K-12 classrooms by Liu, Zhichun, Gearty, Zarina, Richard, Eleanor, Orrill, Chandra Hawley, Kayumova, Shakhnoza, Balasubramanian, Ramprasad

“…Although computational thinking (CT) is becoming increasingly prevalent in K-12 education, many teachers find it challenging to integrate it with their…”
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Revisiting purpose and conceptualisation in the design of assessments of mathematics teachers' knowledge by Orrill, Chandra Hawley, Copur-Gencturk, Yasemin, Cohen, Allan, Templin, Jonathan

“…In this paper, we focus on the design of assessments of mathematics teachers' knowledge by emphasising the importance of identifying the purpose for the…”
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Measuring Mathematical Knowledge for Teaching Fractions With Drawn Quantities by Izsak, Andrew, Jacobson, Erik, de Araujo, Zandra, Orrill, Chandra Hawley

“…Researchers have recently used traditional item response theory (IRT) models to measure mathematical knowledge for teaching (MKT). Some studies (e.g., Hill,…”
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Making sense of double number lines in professional development: exploring teachers’ understandings of proportional relationships by Orrill, Chandra Hawley, Brown, Rachael Eriksen

“…This study presents a qualitative analysis of the knowledge teachers in one professional development course used to reason about proportional relationships…”
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Measuring Middle Grades Teachers' Understanding of Rational Numbers with the Mixture Rasch Model by Izsák, Andrew, Orrill, Chandra Hawley, Cohen, Allan S., Brown, Rachael Eriksen

“…We report the development of a multiple-choice instrument that measures the mathematical knowledge needed for teaching arithmetic with fractions, decimals, and…”
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Mathematics Teachers' Reasoning About Fractions and Decimals Using Drawn Representations by Lee, Soo Jin, Brown, Rachael Eriksen, Orrill, Chandra Hawley

“…This qualitative study considers middle grades mathematics teachers' reasoning about drawn representations of fractions and decimals. We analyzed teachers'…”
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A promising approach to scaling up professional development: intelligent, interactive, virtual professional development with just-in-time feedback by Copur-Gencturk, Yasemin, Orrill, Chandra Hawley

“…The scalability and accessibility of quality professional development (PD) is an ongoing concern in the teacher education community, yet little research has…”
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Supporting Online PBL: Design Considerations for Supporting Distributed Problem Solving by Orrill, Chandra Hawley

“…This study considers how four groups of education graduate students worked in a distributed problem-based learning (PBL) environment using an asynchronous…”
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The impact of an interactive, personalized computer-based teacher professional development program on student performance: A randomized controlled trial by Copur-Gencturk, Yasemin, Li, Jingxian, Cohen, Allan S., Orrill, Chandra Hawley

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Building Technology-Based, Learner-Centered Classrooms: The Evolution of a Professional Development Framework by Orrill, Chandra Hawley

“…This study examined issues in supporting middle-school teachers to become more learner centered when implementing computer-based, workplace simulations in…”
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Exploring differences in practicing teachers’ knowledge use in a dynamic and static proportional task by Brown, Rachael Eriksen, Orrill, Chandra Hawley, Park, Jinsook

“…Teachers’ knowledge of proportional reasoning is important, particularly in the middle grades in the USA. This exploratory study investigated 32 teachers’ use…”
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Mathematics teachers' ability to identify situations appropriate for proportional reasoning by Weiland, Travis, Orrill, Chandra Hawley, Brown, Rachael Eriksen, Nagar, Gili Gal

“…In this study, we investigated teachers' abilities correctly to identify situations that are appropriate for proportional reasoning and factors that might…”
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Examining the design features of a communication-rich, problem-centred mathematics professional development by de Araujo, Zandra, Orrill, Chandra Hawley, Jacobson, Erik

“…While there is considerable scholarship describing principles for effective professional development, there have been few attempts to examine these principles…”
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Chapter 7: Purpose and Conceptualization: Examining Assessment Development Questions Through Analysis of Measures of Teacher Knowledge by Orrill, Chandra Hawley, Cohen, Allan

“…In this chapter, we consider the importance of two questions critical to assessment development: (a) What is the purpose of the assessment? and (b) What is the…”
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