Maryland Standards
MD.6.0. Knowledge of Number Relationships and Computation/Arithmetic: Students will describe, represent, or apply numbers or their relationships or will estimate or compute using mental strategies, paper/pencil, or technology.
6.A.1. Knowledge of Number and Place Value: Apply knowledge of whole numbers and place value.
6.A.1.c. Identify the place value of a digit in a number (Assessment limit: Use whole numbers (0 - 1,000,000)).
6.A.1.d. Compare, order, and describe whole numbers (Assessment limit: Use no more than 4 whole numbers with or without using the symbols (<, >, =) and whole numbers (0 - 1,000,000)).
MD.7.0. Processes of Mathematics: Students demonstrate the processes of mathematics by making connections and applying reasoning to solve and to communicate their findings.
7.C.1. Communication: Present mathematical ideas using words, symbols, visual displays, or technology.
7.C.1.a. Use multiple representations to express concepts or solutions.
7.C.1.d. Express solutions using concrete materials.