#### Monday, April 23, 2012

### 7:00 PM-8:30 PM

#### Tuesday, April 24, 2012

### 8:30 AM-10:00 AM

2

Curriculum Matters: Why Are Some Elementary School Curricula More Effective?

Franklin Hall 2 (Philadelphia Marriott Downtown)

Franklin Hall 2 (Philadelphia Marriott Downtown)

3

Graduate Student, Junior Faculty, and Researcher Mentoring Session

Franklin Hall 12 (Philadelphia Marriott Downtown)

Franklin Hall 12 (Philadelphia Marriott Downtown)

4

Implementing Mathematics Instructional Materials: Examining School-Level Support

Franklin Hall 5 (Philadelphia Marriott Downtown)

Franklin Hall 5 (Philadelphia Marriott Downtown)

5

Interactive Paper Session 9

Franklin Hall 1 (Philadelphia Marriott Downtown)

Franklin Hall 1 (Philadelphia Marriott Downtown)

6

Interactive Paper Session 15

Franklin Hall 13 (Philadelphia Marriott Downtown)

Franklin Hall 13 (Philadelphia Marriott Downtown)

7

Interactive Paper Session 20

Franklin Hall 6 (Philadelphia Marriott Downtown)

Franklin Hall 6 (Philadelphia Marriott Downtown)

8

Investigating Secondary School Mathematics Teacher PCK across the Professional Continuum

Franklin Hall 3 (Philadelphia Marriott Downtown)

Franklin Hall 3 (Philadelphia Marriott Downtown)

9

Measuring Teachers' Attitudes, Beliefs, and Dispositions Over Time

Franklin Hall 10 (Philadelphia Marriott Downtown)

Franklin Hall 10 (Philadelphia Marriott Downtown)

10

Quantitative Reasoning in Secondary School Mathematics: An Avenue to Coherence

Franklin Hall 11 (Philadelphia Marriott Downtown)

Franklin Hall 11 (Philadelphia Marriott Downtown)

12

The Mathematics Teacher Educator: A Resource for Your Teaching and Outlet for Your Writing

Franklin Hall 4 (Philadelphia Marriott Downtown)

Franklin Hall 4 (Philadelphia Marriott Downtown)

13

Treatment of Fractions in Asian Curricula and the CCSS

Franklin Hall 8 (Philadelphia Marriott Downtown)

Franklin Hall 8 (Philadelphia Marriott Downtown)

### 10:30 AM-12:00 PM

14

Common Core State Standards for Mathematics (CCSSM) Recommendations Session B: Professional Development and Research

Franklin Hall 2 (Philadelphia Marriott Downtown)

Franklin Hall 2 (Philadelphia Marriott Downtown)

15

Elementary School Teachers’ Perceptions of Mathematical and Pedagogical Authority

Franklin Hall 12 (Philadelphia Marriott Downtown)

Franklin Hall 12 (Philadelphia Marriott Downtown)

16

Interactive Paper Session 12

Franklin Hall 4 (Philadelphia Marriott Downtown)

Franklin Hall 4 (Philadelphia Marriott Downtown)

17

Interactive Paper Session 19

Franklin Hall 13 (Philadelphia Marriott Downtown)

Franklin Hall 13 (Philadelphia Marriott Downtown)

18

Interactive Paper Session 25

Franklin Hall 1 (Philadelphia Marriott Downtown)

Franklin Hall 1 (Philadelphia Marriott Downtown)

19

Looking for Data in All the Right Places: National, Large-Scale NAEP Data, Free!

Franklin Hall 6 (Philadelphia Marriott Downtown)

Franklin Hall 6 (Philadelphia Marriott Downtown)

20

Mathematical Habits of Mind: Measuring Teachers' Knowledge and Use

Franklin Hall 10 (Philadelphia Marriott Downtown)

Franklin Hall 10 (Philadelphia Marriott Downtown)

21

Preservice Teachers’ Knowledge for Teaching Algebra: A Preliminary Report

Franklin Hall 8 (Philadelphia Marriott Downtown)

Franklin Hall 8 (Philadelphia Marriott Downtown)

22

Studying Reflection and Students' Thinking: Effect on Teaching Quality

Franklin Hall 11 (Philadelphia Marriott Downtown)

Franklin Hall 11 (Philadelphia Marriott Downtown)

23

Teachers' Capacity to Use, and Learn from, Innovative Curriculum Resources

Franklin Hall 3 (Philadelphia Marriott Downtown)

Franklin Hall 3 (Philadelphia Marriott Downtown)

24

### 1:00 PM-2:30 PM

26

Common Core State Standards for Mathematics (CCSSM) Recommendations Session A: Curriculum and Assessment

Franklin Hall 3 (Philadelphia Marriott Downtown)

Franklin Hall 3 (Philadelphia Marriott Downtown)

27

Designing and Creating Representations of Mathematics Teaching

Franklin Hall 2 (Philadelphia Marriott Downtown)

Franklin Hall 2 (Philadelphia Marriott Downtown)

28

Developing Teachers’ Capacity to Support Students' Reasoning and Proof

Franklin Hall 5 (Philadelphia Marriott Downtown)

Franklin Hall 5 (Philadelphia Marriott Downtown)

29

Factors Influencing STEM Preparedness: From Algebra to Calculus

Franklin Hall 8 (Philadelphia Marriott Downtown)

Franklin Hall 8 (Philadelphia Marriott Downtown)

30

How Is Students' Mathematics Knowledge Changing? Evidence from NAEP

Franklin Hall 11 (Philadelphia Marriott Downtown)

Franklin Hall 11 (Philadelphia Marriott Downtown)

31

Interactive Paper Session 1

Franklin Hall 4 (Philadelphia Marriott Downtown)

Franklin Hall 4 (Philadelphia Marriott Downtown)

32

Interactive Paper Session 2

Franklin Hall 13 (Philadelphia Marriott Downtown)

Franklin Hall 13 (Philadelphia Marriott Downtown)

33

Interactive Paper Session 8

Franklin Hall 1 (Philadelphia Marriott Downtown)

Franklin Hall 1 (Philadelphia Marriott Downtown)

34

Interactive Paper Session 23

Franklin Hall 6 (Philadelphia Marriott Downtown)

Franklin Hall 6 (Philadelphia Marriott Downtown)

35

Making an Effective Argument in

Franklin Hall 10 (Philadelphia Marriott Downtown)

*Journal for Research in Mathematics Education*(*JRME*): Supporting Claims with EvidenceFranklin Hall 10 (Philadelphia Marriott Downtown)

36

Who’s Listening? African American Females’ Experiences in the Mathematics Classroom

Franklin Hall 7 (Philadelphia Marriott Downtown)

Franklin Hall 7 (Philadelphia Marriott Downtown)

37

Writing for NCTM Journals: Publishing Your Research in Teacher-Friendly Articles

Franklin Hall 12 (Philadelphia Marriott Downtown)

Franklin Hall 12 (Philadelphia Marriott Downtown)

### 3:00 PM-4:30 PM

38

Assessing Preservice Teachers’ Enacted Mathematics Teaching Practice through Simulations

Franklin Hall 5 (Philadelphia Marriott Downtown)

Franklin Hall 5 (Philadelphia Marriott Downtown)

39

Assessment Standards for Mathematics: Where Are We Seventeen Years Later?

Franklin Hall 8 (Philadelphia Marriott Downtown)

Franklin Hall 8 (Philadelphia Marriott Downtown)

40

A Study of Teachers Engaged in Sustained Professional Development

Franklin Hall 2 (Philadelphia Marriott Downtown)

Franklin Hall 2 (Philadelphia Marriott Downtown)

41

Developing Teachers’ Mathematical Knowledge through a University–Grades K–12 Partnership

Franklin Hall 7 (Philadelphia Marriott Downtown)

Franklin Hall 7 (Philadelphia Marriott Downtown)

42

Interactive Diagnostic Assessments for Rational Number Reasoning: LPPSync

Franklin Hall 10 (Philadelphia Marriott Downtown)

Franklin Hall 10 (Philadelphia Marriott Downtown)

43

Interactive Paper Session 14

Franklin Hall 1 (Philadelphia Marriott Downtown)

Franklin Hall 1 (Philadelphia Marriott Downtown)

44

Interactive Paper Session 16

Franklin Hall 6 (Philadelphia Marriott Downtown)

Franklin Hall 6 (Philadelphia Marriott Downtown)

45

Interactive Paper Session 21

Franklin Hall 13 (Philadelphia Marriott Downtown)

Franklin Hall 13 (Philadelphia Marriott Downtown)

46

Interactive Paper Session 22

Franklin Hall 4 (Philadelphia Marriott Downtown)

Franklin Hall 4 (Philadelphia Marriott Downtown)

47

Teaching and Learning: Stories of Equity in High School Mathematics

Franklin Hall 11 (Philadelphia Marriott Downtown)

Franklin Hall 11 (Philadelphia Marriott Downtown)

48

Video Club Professional Development for Secondary School Mathematics: Teachers Learning from Teachers

Franklin Hall 12 (Philadelphia Marriott Downtown)

Franklin Hall 12 (Philadelphia Marriott Downtown)

49

Working toward Innovative Research: NSF's Role, the Researcher's Role

Franklin Hall 3 (Philadelphia Marriott Downtown)

Franklin Hall 3 (Philadelphia Marriott Downtown)

### 4:45 PM-6:00 PM

51

A Framework to Analyze Mathematical Processes in Elementary School Assessments

Salon I/J/K/L 7 (Philadelphia Marriott Downtown)

Salon I/J/K/L 7 (Philadelphia Marriott Downtown)

52

An Analysis of Inverse Relations in U.S. and Chinese Textbooks

Salon I/J/K/L 25 (Philadelphia Marriott Downtown)

Salon I/J/K/L 25 (Philadelphia Marriott Downtown)

53

Analyses of Teaching Equation Solving in Standards-Based and Traditional Curricula

Salon I/J/K/L 3 (Philadelphia Marriott Downtown)

Salon I/J/K/L 3 (Philadelphia Marriott Downtown)

54

An Analysis of Preservice Secondary School Mathematics Teachers' Planned Questions

Salon I/J/K/L 24 (Philadelphia Marriott Downtown)

Salon I/J/K/L 24 (Philadelphia Marriott Downtown)

55

Characterizing Prospective Grades K–8 Teachers' Inductive Reasoning in Problem-Solving Contexts

Salon I/J/K/L 17 (Philadelphia Marriott Downtown)

Salon I/J/K/L 17 (Philadelphia Marriott Downtown)

56

Comparing High School Mathematics Practices between Minority and Nonminority Students

Salon I/J/K/L 18 (Philadelphia Marriott Downtown)

Salon I/J/K/L 18 (Philadelphia Marriott Downtown)

57

Developing Integrated Reasoning about Statistical Variation

Salon I/J/K/L 10 (Philadelphia Marriott Downtown)

Salon I/J/K/L 10 (Philadelphia Marriott Downtown)

58

Developing Mathematics and Science Literacy through Robotics Systems

Salon I/J/K/L 4 (Philadelphia Marriott Downtown)

Salon I/J/K/L 4 (Philadelphia Marriott Downtown)

59

Effects of and Research in Grades K–8 Mathematics Coaching

Salon I/J/K/L 14 (Philadelphia Marriott Downtown)

Salon I/J/K/L 14 (Philadelphia Marriott Downtown)

60

Examining the Links between Informal and Formal Inferential Reasoning

Salon I/J/K/L 19 (Philadelphia Marriott Downtown)

Salon I/J/K/L 19 (Philadelphia Marriott Downtown)

61

From their Eyes: Examining Field Experience and Teachers' Learning

Salon I/J/K/L 12 (Philadelphia Marriott Downtown)

Salon I/J/K/L 12 (Philadelphia Marriott Downtown)

62

Graduate Coursework's Influence on Teaching: Changing Teachers' Questioning

Salon I/J/K/L 27 (Philadelphia Marriott Downtown)

Salon I/J/K/L 27 (Philadelphia Marriott Downtown)

63

Improving the Development of MKT in Elementary School Teacher Education

Salon I/J/K/L 26 (Philadelphia Marriott Downtown)

Salon I/J/K/L 26 (Philadelphia Marriott Downtown)

64

Instructional Practices That Motivate Students with Learning Disabilities

Salon I/J/K/L 9 (Philadelphia Marriott Downtown)

Salon I/J/K/L 9 (Philadelphia Marriott Downtown)

65

Making Sense of Double Number Lines in Professional Development

Salon I/J/K/L 2 (Philadelphia Marriott Downtown)

Salon I/J/K/L 2 (Philadelphia Marriott Downtown)

67

Middle School Preservice Teachers' Mathematical Problem Solving and Posing

Salon I/J/K/L 23 (Philadelphia Marriott Downtown)

Salon I/J/K/L 23 (Philadelphia Marriott Downtown)

68

New Mathematics Educators' Preparation for Academic Careers: An Exploratory Study

Salon I/J/K/L 20 (Philadelphia Marriott Downtown)

Salon I/J/K/L 20 (Philadelphia Marriott Downtown)

69

Opportunities for Teacher Learning in Middle School Curriculum Materials

Salon I/J/K/L 28 (Philadelphia Marriott Downtown)

Salon I/J/K/L 28 (Philadelphia Marriott Downtown)

70

Preparing Teachers for Common Core State Standards in Mathematics (CCSSM)

Salon I/J/K/L 15 (Philadelphia Marriott Downtown)

Salon I/J/K/L 15 (Philadelphia Marriott Downtown)

71

Preservice Teacher Development in Learning to Learn from Mathematics Teaching

Salon I/J/K/L 11 (Philadelphia Marriott Downtown)

Salon I/J/K/L 11 (Philadelphia Marriott Downtown)

72

Pre-service Teachers’ Perspectives on Teaching in Second Life

Salon I/J/K/L 8 (Philadelphia Marriott Downtown)

Salon I/J/K/L 8 (Philadelphia Marriott Downtown)

73

Professional Development's Trends of Impact in Middle School Mathematics Education

Salon I/J/K/L 1 (Philadelphia Marriott Downtown)

Salon I/J/K/L 1 (Philadelphia Marriott Downtown)

74

Quantitative Vocabulary Effects on Kindergarten Students’ Vocabulary and Number Sense

Salon I/J/K/L 21 (Philadelphia Marriott Downtown)

Salon I/J/K/L 21 (Philadelphia Marriott Downtown)

75

Reasoning Based Solely on Concept Images: Middle-School Students and Parallelograms

Salon I/J/K/L 22 (Philadelphia Marriott Downtown)

Salon I/J/K/L 22 (Philadelphia Marriott Downtown)

76

Teacher's Talk: Assessing the Depth of Interactions in a Teacher-Initiated PLC

Salon I/J/K/L 29 (Philadelphia Marriott Downtown)

Salon I/J/K/L 29 (Philadelphia Marriott Downtown)

77

Teaching Integers in Middle School: Reflective Teaching Cycles

Salon I/J/K/L 30 (Philadelphia Marriott Downtown)

Salon I/J/K/L 30 (Philadelphia Marriott Downtown)

78

Teaching Mathematics for Social Justice: A Study of Teacher Discourse

Salon I/J/K/L 6 (Philadelphia Marriott Downtown)

Salon I/J/K/L 6 (Philadelphia Marriott Downtown)

79

Trajectories of Three Students’ Learning of Area Measurement, Grades 2–5

Salon I/J/K/L 1 (Philadelphia Marriott Downtown)

Salon I/J/K/L 1 (Philadelphia Marriott Downtown)

80

Using PISA to Focus on Algebraic Thinking: The Case of Apples and Recursion

Salon I/J/K/L 13 (Philadelphia Marriott Downtown)

Salon I/J/K/L 13 (Philadelphia Marriott Downtown)

81

Virginia Middle School Math Assessments: Why Do Students Make Incorrect Choices?

Salon I/J/K/L 10 (Philadelphia Marriott Downtown)

Salon I/J/K/L 10 (Philadelphia Marriott Downtown)

Informal Settings: Implications for Secondary Mathematics Teachers' Abilities to Recognize and Apply Mathematics

Salon I/J/K/L 16 (Philadelphia Marriott Downtown)

Salon I/J/K/L 16 (Philadelphia Marriott Downtown)

#### Wednesday, April 25, 2012

### 8:30 AM-10:00 AM

82

Research Frameworks and Findings: Tools for Investigating and Improving Instructional Practice

Salon G/H (Philadelphia Marriott Downtown)

Salon G/H (Philadelphia Marriott Downtown)

### 10:30 AM-12:00 PM

83

Considering the Effect of Dynamic Mathematics Software on Internal Representations

Franklin Hall 12 (Philadelphia Marriott Downtown)

Franklin Hall 12 (Philadelphia Marriott Downtown)

85

Interactive Paper Session 3

Franklin Hall 13 (Philadelphia Marriott Downtown)

Franklin Hall 13 (Philadelphia Marriott Downtown)

86

Interactive Paper Session 6

Franklin Hall 6 (Philadelphia Marriott Downtown)

Franklin Hall 6 (Philadelphia Marriott Downtown)

87

Interactive Paper Session 7

Franklin Hall 4 (Philadelphia Marriott Downtown)

Franklin Hall 4 (Philadelphia Marriott Downtown)

88

Interactive Paper Session 26

Franklin Hall 9 (Philadelphia Marriott Downtown)

Franklin Hall 9 (Philadelphia Marriott Downtown)

89

Interactive Paper Session 28

Franklin Hall 1 (Philadelphia Marriott Downtown)

Franklin Hall 1 (Philadelphia Marriott Downtown)

90

Investigations into Common Core State Standards for Mathematics (CCSSM)

Franklin Hall 2 (Philadelphia Marriott Downtown)

Franklin Hall 2 (Philadelphia Marriott Downtown)

91

Learning About High-Quality Mathematics Teaching: What and How?

Franklin Hall 11 (Philadelphia Marriott Downtown)

Franklin Hall 11 (Philadelphia Marriott Downtown)

92

Measuring Early Algebra Impact: Quantitative Studies of Children’s Algebra Learning

Franklin Hall 3 (Philadelphia Marriott Downtown)

Franklin Hall 3 (Philadelphia Marriott Downtown)

93

Repeated Addition Has Limits: New Foundations for Understanding Multiplication

Franklin Hall 8 (Philadelphia Marriott Downtown)

Franklin Hall 8 (Philadelphia Marriott Downtown)

94

Using Students' Work as a Reflection on Instruction

Franklin Hall 5 (Philadelphia Marriott Downtown)

Franklin Hall 5 (Philadelphia Marriott Downtown)

### 1:00 PM-2:30 PM

97

Common Core State Standards Math (CCSSM) Practice across Classes: Constructing Arguments, Critiquing Reasoning

Franklin Hall 8 (Philadelphia Marriott Downtown)

Franklin Hall 8 (Philadelphia Marriott Downtown)

98

Developing Elementary School Math Teachers Pedagogical Content Knowledge in China

Franklin Hall 12 (Philadelphia Marriott Downtown)

Franklin Hall 12 (Philadelphia Marriott Downtown)

99

Geometric Thinking for English Language Learners (ELLs)

Franklin Hall 7 (Philadelphia Marriott Downtown)

Franklin Hall 7 (Philadelphia Marriott Downtown)

100

Interactive Paper Session 10

Franklin Hall 1 (Philadelphia Marriott Downtown)

Franklin Hall 1 (Philadelphia Marriott Downtown)

101

Interactive Paper Session 11

Franklin Hall 6 (Philadelphia Marriott Downtown)

Franklin Hall 6 (Philadelphia Marriott Downtown)

102

Interactive Paper Session 17

Franklin Hall 4 (Philadelphia Marriott Downtown)

Franklin Hall 4 (Philadelphia Marriott Downtown)

103

Interactive Paper Session 27

Franklin Hall 9 (Philadelphia Marriott Downtown)

Franklin Hall 9 (Philadelphia Marriott Downtown)

104

Interactive Paper Session 4

Franklin Hall 13 (Philadelphia Marriott Downtown)

Franklin Hall 13 (Philadelphia Marriott Downtown)

105

Measuring Teaching Practice Related to Curriculum Use

Franklin Hall 5 (Philadelphia Marriott Downtown)

Franklin Hall 5 (Philadelphia Marriott Downtown)

106

107

Students' Fraction Knowledge and the Common Core State Standards (CCSS)

Franklin Hall 11 (Philadelphia Marriott Downtown)

Franklin Hall 11 (Philadelphia Marriott Downtown)

108

What Matters about Students' Learning: Curriculum Implementation from Three Perspectives

Franklin Hall 2 (Philadelphia Marriott Downtown)

Franklin Hall 2 (Philadelphia Marriott Downtown)

110

Algebra Misconceptions Held by Elementary School Students

Salon I/J/K/L 6 (Philadelphia Marriott Downtown)

Salon I/J/K/L 6 (Philadelphia Marriott Downtown)

111

Algebraic Explanations: Linking Instruction to Students' Justifications

Salon I/J/K/L 26 (Philadelphia Marriott Downtown)

Salon I/J/K/L 26 (Philadelphia Marriott Downtown)

112

Cognitively Challenging Mathematical Tasks: Potential versus Implementation

Salon I/J/K/L 8 (Philadelphia Marriott Downtown)

Salon I/J/K/L 8 (Philadelphia Marriott Downtown)

113

CRA Instruction in Fractions Retention for Middle School Students

Salon I/J/K/L 7 (Philadelphia Marriott Downtown)

Salon I/J/K/L 7 (Philadelphia Marriott Downtown)

114

Elementary School Students' Views of Mathematicians

Salon I/J/K/L 27 (Philadelphia Marriott Downtown)

Salon I/J/K/L 27 (Philadelphia Marriott Downtown)

115

Error Patterns in Fraction Computation among Struggling Sixth-Grade Students

Salon I/J/K/L 2 (Philadelphia Marriott Downtown)

Salon I/J/K/L 2 (Philadelphia Marriott Downtown)

116

Examining NCTM’s Practitioner Journals as Tools Linking Research and Practice

Salon I/J/K/L 3 (Philadelphia Marriott Downtown)

Salon I/J/K/L 3 (Philadelphia Marriott Downtown)

117

Following Beginning Mathematics Teachers’ Experiences through Discussion Boards

Salon I/J/K/L 1 (Philadelphia Marriott Downtown)

Salon I/J/K/L 1 (Philadelphia Marriott Downtown)

118

Math Journals as a Tool for Reasoning and Sense Making

Salon I/J/K/L 5 (Philadelphia Marriott Downtown)

Salon I/J/K/L 5 (Philadelphia Marriott Downtown)

119

Mathematics History in Video: In-Service Elementary School Teachers’ Experience

Salon I/J/K/L 9 (Philadelphia Marriott Downtown)

Salon I/J/K/L 9 (Philadelphia Marriott Downtown)

120

Open Questions Generate a Culture of Sense-Making Reasoning and Proving

Salon I/J/K/L 4 (Philadelphia Marriott Downtown)

Salon I/J/K/L 4 (Philadelphia Marriott Downtown)

121

Preservice Secondary School Teachers' Understanding of the Inverse Function Concept

Salon I/J/K/L 14 (Philadelphia Marriott Downtown)

Salon I/J/K/L 14 (Philadelphia Marriott Downtown)

122

Principal Press: A Potential Support for Increasing Teachers' Collaboration

Salon I/J/K/L 11 (Philadelphia Marriott Downtown)

Salon I/J/K/L 11 (Philadelphia Marriott Downtown)

123

Principals', Coaches', and Teachers' Perceptions of Elementary School Mathematics Coaching

Salon I/J/K/L 12 (Philadelphia Marriott Downtown)

Salon I/J/K/L 12 (Philadelphia Marriott Downtown)

124

Problem Posing: Genuine Inquiry in a Primary School Classroom

Salon I/J/K/L 29 (Philadelphia Marriott Downtown)

Salon I/J/K/L 29 (Philadelphia Marriott Downtown)

125

Promising Classroom Practices for Supporting Mathematical Justification

Salon I/J/K/L 30 (Philadelphia Marriott Downtown)

Salon I/J/K/L 30 (Philadelphia Marriott Downtown)

126

Proof Structure Produced by Experienced Doctoral Students in Mathematics

Salon I/J/K/L 16 (Philadelphia Marriott Downtown)

Salon I/J/K/L 16 (Philadelphia Marriott Downtown)

127

Relationships among Students Participation, Task Summaries, and Algebra Learning

Salon I/J/K/L 13 (Philadelphia Marriott Downtown)

Salon I/J/K/L 13 (Philadelphia Marriott Downtown)

128

Simplified Schema-Based Instruction (SSBI) for Word-Problem Solving

Salon I/J/K/L 23 (Philadelphia Marriott Downtown)

Salon I/J/K/L 23 (Philadelphia Marriott Downtown)

129

Strengthening the Connection between Math Methods and Preservice Teachers' Practice

Salon I/J/K/L 15 (Philadelphia Marriott Downtown)

Salon I/J/K/L 15 (Philadelphia Marriott Downtown)

130

Students' Understanding of Quadratic Functions: A Multiple-Case Study

Salon I/J/K/L 17 (Philadelphia Marriott Downtown)

Salon I/J/K/L 17 (Philadelphia Marriott Downtown)

131

Students’ Development of Representational Fluency with CAS: An Instructional Theory

Salon I/J/K/L 18 (Philadelphia Marriott Downtown)

Salon I/J/K/L 18 (Philadelphia Marriott Downtown)

132

Subitizing, Arrangements of Counters, and Preschoolers' Quantitative Comparisons

Salon I/J/K/L 19 (Philadelphia Marriott Downtown)

Salon I/J/K/L 19 (Philadelphia Marriott Downtown)

133

Supporting Prospective Teachers’ Proportional Reasoning with Technology: The Balance Metaphor

Salon I/J/K/L 20 (Philadelphia Marriott Downtown)

Salon I/J/K/L 20 (Philadelphia Marriott Downtown)

134

Teachers’ Beliefs, Practices, and Interpretations of Curricular Resources

Salon I/J/K/L 21 (Philadelphia Marriott Downtown)

Salon I/J/K/L 21 (Philadelphia Marriott Downtown)

135

Teachers’ Self-Efficacy Beliefs and Mathematical Knowledge for Teaching

Salon I/J/K/L 22 (Philadelphia Marriott Downtown)

Salon I/J/K/L 22 (Philadelphia Marriott Downtown)

136

The Academic Youth Development (AYD) Program and Achievement

Salon I/J/K/L 10 (Philadelphia Marriott Downtown)

Salon I/J/K/L 10 (Philadelphia Marriott Downtown)

137

U.S. Middle School Preservice Mathematics Teachers’ Content Knowledge

Salon I/J/K/L 24 (Philadelphia Marriott Downtown)

Salon I/J/K/L 24 (Philadelphia Marriott Downtown)

138

Using a Fraction Framework to Understand Students' Work

Salon I/J/K/L 25 (Philadelphia Marriott Downtown)

Salon I/J/K/L 25 (Philadelphia Marriott Downtown)

### 3:00 PM-4:30 PM

139

Aligning Early-Algebra Learning Progressions and Assessments in Grades 3–8

Franklin Hall 5 (Philadelphia Marriott Downtown)

Franklin Hall 5 (Philadelphia Marriott Downtown)

140

Current Research on Trigonometry Teaching and Learning

Franklin Hall 8 (Philadelphia Marriott Downtown)

Franklin Hall 8 (Philadelphia Marriott Downtown)

141

Exploring Mathematics Teacher Professional Development in Online Contexts

Franklin Hall 11 (Philadelphia Marriott Downtown)

Franklin Hall 11 (Philadelphia Marriott Downtown)

142

Grades K–5 Generalization, Proof: What Knowledge, Skills Do Teachers Need?

Franklin Hall 12 (Philadelphia Marriott Downtown)

Franklin Hall 12 (Philadelphia Marriott Downtown)

143

Interactive Paper Session 5

Franklin Hall 4 (Philadelphia Marriott Downtown)

Franklin Hall 4 (Philadelphia Marriott Downtown)

144

Interactive Paper Session 13

Franklin Hall 1 (Philadelphia Marriott Downtown)

Franklin Hall 1 (Philadelphia Marriott Downtown)

145

Interactive Paper Session 18

Franklin Hall 13 (Philadelphia Marriott Downtown)

Franklin Hall 13 (Philadelphia Marriott Downtown)

146

Interactive Paper Session 24

Franklin Hall 6 (Philadelphia Marriott Downtown)

Franklin Hall 6 (Philadelphia Marriott Downtown)

147

Linking Research and Practice: A Focus on Reasoning and Sense Making with Technology

Franklin Hall 7 (Philadelphia Marriott Downtown)

Franklin Hall 7 (Philadelphia Marriott Downtown)

148

Research and Effects in Grades K–8 Mathematics Coaching

Franklin Hall 10 (Philadelphia Marriott Downtown)

Franklin Hall 10 (Philadelphia Marriott Downtown)

149

RtI: Mathematics and Special Educators Sharing Responsibility: A Call for Action

Franklin Hall 2 (Philadelphia Marriott Downtown)

Franklin Hall 2 (Philadelphia Marriott Downtown)

150

The Notion of Proof in Mathematics Teaching: Is It Changing?

Franklin Hall 3 (Philadelphia Marriott Downtown)

Franklin Hall 3 (Philadelphia Marriott Downtown)