Recognizing rays, lines, and line segments

The first instance of  is under the 4th Grade Math Mission. This exercise improves familiarity with the lines, rays and segments.

Types of Problems
There are three types of problems in this exercise:


 * 1) Name all of the type of object: This problem has a diagram and the student is asked to select all correct names of a given type of object that appear in the picture.Rec1.png
 * 2) Select all pictures: This problem has several pictures and the student is asked to select those that have pictures of a given type of object.Rec2.png
 * 3) What object: The problem has a diagram drawn and a piece of it is green. The student selects the name of the green object.Rec3.png

Strategies
This exercise is easy to get accuracy badges based on the fact that there are only three definitions. It is medium difficulty to attain speed badges because of the multiple select needs.


 * 1) On the Name all of the type of object if you are asked to select the segments, the answer seems to be all of them, every time. Research has not seen one yet where they put two points that are not connected.