18.104.22.168.4 The student uses letters as variables in mathematical expressions to describe how one quantity changes when a related quantity changes.
22.214.171.124.4.A use tables and symbols to represent and describe proportional and other relationships such as those involving conversions, arithmetic sequences (with a constant rate of change), perimeter and area; and
126.96.36.199.10 The student uses statistical representations to analyze data.
188.8.131.52.10.A select and use an appropriate representation for presenting and displaying different graphical representations of the same data including line plot, line graph, bar graph, and stem and leaf plot;
184.108.40.206.11.C select or develop an appropriate problem-solving strategy from a variety of different types, including drawing a picture, looking for a pattern, systematic guessing and checking, acting it out, making a table, working a simpler problem, or working backwards to solve a problem; and