standard_description: Analyze and compare two- and three-dimensional shapes, in different sizes and orientations, using informal language to describe their similarities, differences, parts (e.g., number of sides and vertices/“corners”) and other attributes (e.g., having sides of equal length).
problem_activity: Show that
$${\mathrm{log}_{100}x={{\mathrm{log}x}\over{2}}}$$
.


aligns: no