Measurement

Evaluating and Improving a Learning Trajectory for Linear Measurement in Elementary Grades 2 and 3: A Longitudinal Study

We examined children’s development of strategic and conceptual knowledge for linear measurement. We conducted teaching experiments with eight students in grades 2 and 3, based on our hypothetical learning trajectory for length to check its coherence and to strengthen the domain-specific model for learning and teaching.We checked the hierarchical structure of the trajectory by generating formative instructional task loops with each student and examining the consistency between our predictions and students’ ways of reasoning.

Author/Presenter: 
Clements, Douglas
Barrett, Jeffrey
Sarama, Julie
Cullen, Craig
McCool, Jenni
Witkowski-Rumsey, Chepina
Klanderman, David
Year: 
2012

Evaluating and Improving a Learning Trajectory for Linear Measurement in Elementary Grades 2 and 3: A Longitudinal Study

Author(s): 
Clements, Douglas
Barrett, Jeffrey
Sarama, Julie
Cullen, Craig
McCool, Jenni
Witkowski-Rumsey, Chepina
Klanderman, David
Contact Info: 
Publication Type: 
Journal
Year: 
2012
Month: 
January
In press?: 
In Press
Resource Format: 

We examined children’s development of strategic and conceptual knowledge for linear measurement. We conducted teaching experiments with eight students in grades 2 and 3, based on our hypothetical learning trajectory for length to check its coherence and to strengthen the domain-specific model for learning and teaching.We checked the hierarchical structure of the trajectory by generating formative instructional task loops with each student and examining the consistency between our predictions and students’ ways of reasoning.

NCSM Conference

Event Date: 
Mon, 04/19/2010 - 6:00am to Wed, 04/21/2010 - 10:30am
Associated Dates and Deadlines: 
March 26, 2010 - Advanced Registration Deadline

Whether you're a first-timer or a veteran of NCSM Annual Conferences, join us for three exciting days focused on important issues for leaders in mathematics education.

NCSM's Program Committee has lined up a terrific slate of speakers who will help us focus on "Charting a Course to Mathematics Leadership."

Conference sessions will be led by experts in their field-people at the forefront of change in mathematics education.

The six strands featured at this exciting and educational NCSM event are:

2011 NCTM Annual Meeting and Exposition

Event Date: 
Wed, 04/13/2011 - 7:00am to Sat, 04/16/2011 - 12:00pm
Associated Dates and Deadlines: 
Proposals accepted beginning February 2010

For more information on the 2011 NCTM Annual Meeting and Exposition, visit the NCTM website.

For more information on proposal submission, click here.

Look for these DR K-12 grantees who are presenting:

Event Type: 

2010 NCTM Regional Meeting and Exposition - New Orleans

Event Date: 
Thu, 10/28/2010 - 8:00am to Fri, 10/29/2010 - 1:00pm

Regional Conferences feature more than 200 presentations offering quality professional development at locations throughout North America. These sessions and workshops are led by some of the best math teachers and mathematics education experts. Engaging exhibits allow you to see, ask questions about, and purchase top products for teachers and students.

For more information, visit the NCTM website.

Event Type: 

2010 NCTM Regional Meeting and Exposition - Baltimore

Event Date: 
Thu, 10/14/2010 - 8:00am to Fri, 10/15/2010 - 1:00pm

Regional Conferences feature more than 200 presentations offering quality professional development at locations throughout North America. These sessions and workshops are led by some of the best math teachers and mathematics education experts. Engaging exhibits allow you to see, ask questions about, and purchase top products for teachers and students.

For more information, visit the NCTM website.

Event Type: 

2010 NCTM Regional Meeting and Exposition - Denver

Event Date: 
Thu, 10/07/2010 - 8:00am to Fri, 10/08/2010 - 1:00pm

Regional Conferences feature more than 200 presentations offering quality professional development at locations throughout North America. These sessions and workshops are led by some of the best math teachers and mathematics education experts. Engaging exhibits allow you to see, ask questions about, and purchase top products for teachers and students.

For more information, visit the NCTM website.

Event Type: 

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