standard_description: Understand a fraction as a number on the number line; represent fractions on a number line diagram.
Grade 3 expectations in this domain are limited to fractions with denominators 2, 3, 4, 6, and 8.
problem_activity: Show that
$${\mathrm{log}_{100}x={{\mathrm{log}x}\over{2}}}$$
.


aligns: no