2.7

Algebraic reasoning. The student applies mathematical process standards to identify and apply number patterns within properties of numbers and operations in order to describe relationships. The student is expected to:

(A)  determine whether a number up to 40 is even or odd using pairings of objects to represent the number;

(B)  use an understanding of place value to determine the number that is 10 or 100 more or less than a given number up to 1,200; and

(C)  represent and solve addition and subtraction word problems where unknowns may be any one of the terms in the problem.

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