Hi Debby:
Some criteria you might consider includes the amount of time the student spends on each component, the weight of the assignment to the overall learning you want to see occur, and the degree of effort put forth by the student.
The last point can be made easier if you use a grading rubric - a tool that pre-defines how many points a student can earn for poor, average, very good, and superior or exemplary. By sharing this information in advance with your students, they can understand how you'll grade and how to potentially earn a better grade by… >>>