standard_description: Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles.
problem_activity: Problem 1
Match each value written in unit form with its equivalent value written in fraction form and decimal form.
[IMG]
Problem 2
Draw an area model to match each decimal below.
a.   0.9
b.   0.2


aligns: no