Standard mastery quiz of standard 5.4.2. This rubric can be used to grade a formal letter written by students. The resource includes a sample letter and a 5-point quiz that can also be used to assess mastery.
W.4.4 - Produce clear and coherent writing in which the development and organization are appropriate to task, purpose, and audience. (Grade-specific expectations for writing types are defined in W.4.1-3.)