Instruction will promote mathematical processes/thinking, as detailed in the Standards for Mathematical Practice as well as content standards for Operations and Algebraic Thinking, Number and Operations in Base Ten, Number and Operations Fractions, Measurement and Data, and Geometry. Specifications for study within the grade level are detailed in the Maryland College and Career Ready Standards. Skills and concepts will include but are not limited to developing an understanding of basic multiplication and division within 100, understanding the structure of rectangular arrays, fractions and unit fractions and describing properties of two-dimensional shapes.