845 Works

A86, Discovering equivalent fractions and introducing fraction notation (classroom view), Grade 4, October 4, 1993, raw footage

Carolyn Alexander Maher
Researcher Maher began the session by discussing the relative size of fractions within different models. Using the analogy of two different sized dioramas of children in a fishing boat, the class agreed that the proportions within each model need to be the same, but that the parts of the models cannot be interchanged. Then, the class worked in partners on the problem: Which is larger, one half or two thirds, and by how much? Meredith,...

Early algebra, investigating linear functions, series & of &, Ariel's 8th grade interview, Clip 2 of 5: Ariel solving the Ladder problem

No Name Supplied
In the second of five clips from a follow-up interview about his participation in Informal Mathematics Learning (IML), an after-school enrichment program, Ariel, an 8th grade student in an urban middle school, is asked to solve the Ladders problem, which he had worked on as a &th grader in IML. Researcher Cecilia Arias asks Ariel to read the first parts of the problem and Ariel quickly determines the number of rods necessary to build ladders...

Calvin Schwartz interviews La Principessa Maria Elettra Marconi Giovanelli

Calvin Barry Schwartz & Elettra Marconi
New Jersey author and journalist Calvin Barry Schwartz interviews Princess Elettra Marconi about her famous father, his role in saving Titanic survivors and her life, work, and interests, in an interview that took place at the Alexander Library of Rutgers University, June 1&, 2014.

Equine behavior: obstacle test, Pardner, draft-cross yearling gelding

No Name Supplied
Conducted as part of the Young Horse Teaching & Research Program of the Equine Science Center, Rutgers University, April, 2009. Subject was RU Pardner, an 11-month-old yearling draft cross born May, 2008. Conducted at the George H. Cook Campus, Rutgers University.

Equine behavior: behavior test, preliminary test 2 (Fall 2010, indoor), Sassafras, mustang yearling female

No Name Supplied
Test conducted by Dr. Sarah L. Ralston at the George H. Cook Campus, Rutgers University as part of the Young Horse Teaching & Research Program of the Equine Science Center, Rutgers University. One of a series of tests comparing behavior responses of mustangs fed a high starch diet versus behavior responses of mustangs fed a low starch diet. In this second test, four mustangs have been on a high starch diet (total mixed ration cubes...

Equine behavior: behavior test, novel object test with scale, Sundance, mustang yearling gelding

No Name Supplied
Test conducted by Robin at the George H. Cook Campus, Rutgers University as part of the Young Horse Teaching & Research Program of the Equine Science Center, Rutgers University. One of a series of tests comparing behavior responses of mustangs fed a high starch diet versus behavior responses of mustangs fed a low starch diet. In this novel object test, the horses are led onto a new scale to be weighed. The subject was RU...

Robert Oxnam interview for the China Boom Project

Robert Oxnam & John Delury
Robert Oxnam, former President of the Asia Society, was interviewed by the Asia Society staff in New York City, USA on September 29, 2008.

Continuing to explore fraction comparisons, Clip 2 of 7: Kimberly and Audra compare one half and three fourths

Amy Marie Martino
In the second clip, Kimberly and Audra worked together on the task: Which is larger one half or three fourths. Kimberly built a model using an orange and red train, two dark green rods, and four light green rods , and reasoned directly that three fourths was larger than one half by one fourth. She then set out to find another model, and built a model that was the same length using a different train...

Romina interview reflections (12th grade): Mathematics is everywhere

No Name Supplied
Researcher Chuck Walter conducts an interview with rising senior Romina after her participation in an intensive matheamtical problem-solving experience in a summer institute. Interview questions include: "Is there anything you would like to say that we have not been asking you about this experience? Would you feel more comfortable if people reassured you more about whether you were on the right track with a problem? How would you advise a teacher on how you would...

Early algebra ideas involving one variable, Clip 8 of 11: Losing the "secret"

Davis, Robert B. (Robert Benjamin), Carolyn Alexander Maher, Alice S. Alston, Amy Marie Martino & Thomas LaMonde Purdy
In the eighth of eleven clips from the first day of the Early Algebra Ideas 6th grade class sessions, the researcher, Robert B. Davis, challenges the students to find values for the equation printed below. Students suggest a number of the factors of 60. However, when each factor is tested by substituting it into the equation and evaluating the result, none of the factors makes a true statement. Various students suggest that the "secret idea"...

Jack Ma (马云) interview for the China Boom Project

Jack Ma & Orville Schell
Jack Ma, Lead Founder of Alibaba Group, was interviewed by the Asia Society staff in New York City, USA on March 12, 2009.

Henry S. Tang interview for the China Boom Project

Henry Tang & John Delury
Henry Tang, Co-Founder of Committee of 100, was interviewed by the Asia Society staff in New York, U.S. on February 11, 2009.

Equine behavior: behavior test, vacuum cleaner test, Honky Tonk, draft-cross weanling colt

No Name Supplied
One of a series of tests conducted to compare behavioral responses of young draft horse crosses and Bureau of Land Management mustangs. Conducted as part of the Young Horse Teaching & Research Program of the Equine Science Center, Rutgers University, February 5, 2010. Subject was 9-month-old RU Honky Tonk, born May, 2009. Test conducted by Dr. Sarah L. Ralston at the George H. Cook Campus, Rutgers University. In this test, Dr. Ralston introduces the horse...

Equine behavior: Marley has his temperature taken, 2009 or 2010

No Name Supplied
Produced as part of the Young Horse Teaching & Research Program of the Equine Science Center, Rutgers University, under the oversight of Dr. Sarah L. Ralston. Recorded at George H. Cook Campus, Rutgers University. Subject was RU Marley, a yearling mustang born ca. May, 2008. Student Elyse Conway holds Marley as Dr. Daniel P. Keenan takes his temperature.

Early algebra ideas involving two variables, Clip 1 of 18: Open sentences that can be made true or false with legal or illegal substitutions

Davis, Robert B. (Robert Benjamin), Carolyn Alexander Maher, Alice S. Alston & Amy Martino
This first of 18 clips focusing on Early Algebra Ideas Involving Two Variables occurred toward the end of the first of two consecutive 6th grade class sessions. Researcher, Robert B. Davis, builds on earlier exploration with a single variable to introduce algebraic equations with two variables. He uses the symbols of square (referred to as a “box”) and a “triangle” as to represent the variables. Using the equation printed below, the class discusses ways to...

A30, Fraction problems: Sharing and number lines (Side View), Grade 4, November 1, 1993, raw footage

Carolyn Alexander Maher, Davis, Robert B. (Robert Benjamin) & Gunnar Gjone
In this raw footage, full-session video, Dr. Davis first introduces Gunnar Gjone as a visiting mathematics educator from Norway. The researcher, Carolyn Maher, begins the session by asking the students to review their conclusions from the previous day’s class when they were asked to share a candy bar equally among the students in their small group. Two groups had been composed of eight students while another was composed of nine students, and their task had...

Towers with Stephanie and Dana, Clip 3 of 5: Checking for duplicates and discovering “cousin” towers

No Name Supplied
In this clip, researcher Alice Alston asks Stephanie and Dana how many towers they have created. The two girls had been working on the Towers Problem introduced in the first clip in this series. After they reply that they have found seventeen towers, Alice points out that their group of towers contains a duplicate tower. Alice then questions the girls about how they can be sure that they have found all the towers, and Stephanie...

Michael Pettis interview for the China Boom Project

Michael Pettis & John Delury
Michael Pettis, Senior Associate of Carnegie Endowment for International Peace, was interviewed by the Asia Society staff in Beijing, China in April, 2009.

B65, Jeff and Michelle classwork of the five-tall Towers problem (work view), Grade 4, Feb 6, 1992, raw footage

Carolyn Alexander Maher
The fourth grade class was divided into pairs to work on a Towers problem on February 6, 1992. At the beginning of the session, there are two sheets of paper posted on the board with the following statement:“Building TowersYour group has two colors of Unifix cubes for building towers. Work together and make as many different towers as you can that are five cubes high. See if you and your partner can plan a good...

The twentieth anniversary New Jersey Book Arts Symposium. Afternoon session

Karen Guancione, Lynn S. Mullins, Rachel Hadas & Michael Joseph
The New Jersey Book Arts Symposium is a daylong event held on the first Friday in November to explore and celebrate all aspects of the book arts, from time-honored arts and crafts used in traditional book-making practices, such as calligraphy, printing, illustration, binding, typography and paper-making, to avant-garde explorations of the ontology of the book in its adaptation to artistic expression in artists' books. It customarily focuses its activities on a specific theme, but this...

Early algebra, investigating linear functions, series 5 of 7, ladder problem, Clip 7 of 7: Combining a six step ladder with a two step ladder

John Francisco & Prashant V. Baldev
In the final clip of the series of seven from an after-school enrichment session in an urban middle school, Ariel, a 7th grade boy, revisits his method for solving a specific example of the Ladder Problem. Researcher John Francisco asks Ariel explain how he had predicted the number of rods for a ladder with 125 steps. The procedure that Ariel had articulated and followed for smaller numbers had the following steps: (1) Find the closest...

Comparing fractions, a whole class debate, Clip 3 of 5: Brian challenges the girls' argument

Carolyn Alexander Maher
In the third clip from this session, the class reviewed the problem: Which is bigger, one half and one third, and by how much? Laura and Jessica built a model to show that one half was larger than one third using an orange and red train to represent one, dark green rods to represent one half, and purple rods to represent one third. Audra joined Laura and Jessica to corroborate their findings. When researcher Carolyn...

Early algebra ideas involving two variables, Clip 16 of 18: Working on problems 8 and 9

Davis, Robert B. (Robert Benjamin), Carolyn Alexander Maher, Alice S. Alston & Amy Marie Martino
In the sixteenth of 18 clips from Early Algebra Ideas Involving Two Variables on the second of two consecutive classroom sessions with the class of 6th grade students, the students are looking for relationships among the values in the tables that will help them to find equations for problems 8 and 9. Researcher Robert B. Davis points out to the group that they are to construct equations that do not depend on knowing the value...

B60, Milin and Michael classwork of the five-tall towers problem (work view), Grade 4, Feb 6, 1992, raw footage

Carolyn Alexander Maher
The fourth grade class was divided into pairs to work on a Towers problem on February 6, 1992. At the beginning of the session, there are two sheets of paper posted on the board with the following statement:“Building TowersYour group has two colors of Unifix cubes for building towers. Work together and make as many different towers as you can that are five cubes high. See if you and your partner can plan a good...

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