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Cooperative learning is an educational approach which aims to organize classroom activities into academic and social learning experiences. [1] There is much more to cooperative learning than merely arranging students into groups, and it has been described as "structuring positive interdependence."
A power jigsaw Battery-powered jigsaw T-shank blades. A jigsaw is a reciprocating saw that can cut irregular curves, such as stenciled designs, in wood, metal, or other materials. Jigsaws first emerged in the 19th century [1] and employed a treadle to operate the blade, which was thin and under tension, being secured at both ends to an ...