Compare two numbers between 1 and 20 presented as written numerals.

-Correctly name shapes regardless of their orientations or overall size.

-Identify shapes as two-dimensional (lying in a plane, “flat”) or three-dimensional (“solid”).

-Correctly name shapes regardless of their orientations or overall size.

-Identify shapes as two-dimensional (lying in a plane, “flat”) or three-dimensional (“solid”).

-Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).

-Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).