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
Determine the location of the points on the number line below.
[IMG]
Problem 2
Mark and label the following points on the number line. Be as exact as possible.
[IMG]
$$3\over 4$$
$$6\over 4$$


aligns: no