Since students learn best through enactive learning, appropriate experiences with materials are relied upon which serves as the assistance to children with conceptual development. (Retrieved from: http://www.cehd.umn.edu/ci/rationalnumberproject/81_4.html) . “This does not obviate the classroom teacher; it will always be necessary not only to arrange the conditions of learning but also to discuss, debrief, and encourage future explorations by asking the right questions or giving an appropriate direction at the most opportune time.” The role of the teacher in using manipulatives is more complex and more demanding in some sense compare to that of traditional role of telling and explaining. Teachers, however, must choose activities and manipulatives
