Benchmark 12D
Habits of Mind: Communication Skills
Grades 6-8, page 297

Understand writing that incorporates circle charts, bar and line graphs, two-way data tables, diagrams, and symbols.

NSES Content Standard A 
Science as Inquiry: Abilities necessary to do scientific inquiry
Grades 5-8, page 148
Use mathematics in all aspects of scientific inquiry. Mathematics is essential to asking and answering questions about the natural world. Mathematics can be used to ask questions, to gather, organize and present data, and to structure convincing explanations.