Numbered Heads Together is a method of learning where each student was given a number and then made a random group of teachers and then calls the number of students.
Step by step:

1.    Students were divided into groups; each student in each group received a number.
2.    Teacher gives task and each working group.
3.    Group discussed the correct answers and make sure each member of the group can do it.
4.    Teachers call one number to the number of students who called to report the results of their cooperation.
5.    Response from another friend, then the teacher pointed to another number.
6.    Conclusion.

Pros:
• Each student to be ready all.
• May conduct discussions seriously.
• Students who are smart can teach the less intelligent students.

Weaknesses:
• The possibility that the number was called, was summoned again by the teacher.
• Not all members of the group called by the teachers

Jigsaw Method

Basically, in this model teachers to share units of information into components smaller. Furthermore teachers divide students into cooperative learning groups consisting of four students so that each member is responsible for mastery of each component / teacher assigned subtopic best. Students from each group responsible for forming the same subtopic another group consisting of consisting of two or three people.

These students work together to complete the task the kooperatif in: a) learn and become experts in subtopic parts; b) plan how to teach parts to subtopic original group members. After the students returned to their respective groups as “experts” in subtopic and teach important information in this subtopic to friends. Subtopic expert in other similar acts. So that all students are responsible for showing his mastery of the material assigned by the teacher. Thus, every student in the group must master the topic as a whole.

Education, Education Method, Jigsaw, Jigsaw method learning