Three Pillars of First Grade Mathematics, and Beyond
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abstract
An integrated approach to first grade arithmetic is described. It consists of a coordinated development of the three pillars of the title, which are (i)strong conceptual grasp of the operations of addition and subtraction through word problems, (ii)computational skill that embodies place value understanding, and (iii)coordination of counting number with measurement number. The ways in which these three parts interact and reinforce each other is discussed. This approach is highly consistent with CCSSM standards recently released in the United States by the Council of Chief State School Officers.