A mature scientist or mathematician does not artificially separate his mathematics into algebra, geometry, etc., but rather approaches a situation with a full and varied arsenal of abilities, using each as needed…this integration should come at the very beginning of a child’s experience with mathematics. He should not be confined in an arithmetical straitjacket, but should be shown and given the opportunity to use any branch of mathematics that would be pertinent to the problems he may face and suitable to his level of understanding.
William Wernick
Arithmetic Teacher, March 1964
