An instructional technique that promotes co-operative learning in creating or in learning content It is based on dividing a task among students so that they must pool their contributions to complete an assignment There are typically four steps: 1 Divide students into home groups and present an overview of the task 2 Give each home group member a different part of the task (e g , divide a choreographic piece, music selection, or text into several parts) Students with the same information then leave their home groups and form expert groups 3 Expert group members work together to learn or create their piece of the final product 4 Students return to their home groups, and each expert proceeds to share his or her expertise with the others Each home group is responsible for combining all the contributions of its members to create the final product
Narrow saw used for cutting detailed interior work, such as pierced work, fretwork, latticework, etc Originally operated by a treadle, it was one of the first machines to which electricity was applied Jigsawn detail is thus often seen in the earliest machine age in the 19th Century
{i} electric saw used for cutting curves and complicated patterns; jigsaw puzzle, puzzle consisting of differently shaped pieces which fit together to form a picture
Individual students or groups of students are asked to study one component of learning while other students or groups study another component Sharing information gathered puts the pieces together and the students are required to learn from each other Jigsaw can also have students create different components of an end product
A cooperative structure in which each member of a group is responsible for teaching other members one section of the material Joplin Plan: See Non-Graded Elementary School
a portable power saw with a reciprocating blade; can be used with a variety of blades depending on the application and kind of cut; generally have a plate that rides on the surface that is being cut
A jigsaw or jigsaw puzzle is a picture on cardboard or wood that has been cut up into odd shapes. You have to make the picture again by putting the pieces together correctly. = puzzle