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Direct linkRobinson, Katherine M.; Ninowski, Jerilyn E.; Gray, Melissa L. – Journal of Experimental Child Psychology, 2006
Previous studies have shown that even preschoolers can solve inversion problems of the form a + b - b by using the knowledge that addition and subtraction are inverse operations. In this study, a new type of inversion problem of the form d x e [divided by] e was also examined. Grade 6 and 8 students solved inversion problems of both types as well…
Descriptors: Grade 6, Children, Arithmetic, Grade 8
