It's a little complicated, teacher26. Of the scaled points, there are 200 available (300-100). Half of those are in multiple choice and half in constructed response. Half of the constructed response points go to the case study, which means the case study accounts for 25% of total available scaled points (that is, 50% • 50%: do the math and you get 25%). The other four constructed responses account for the other half of constructed response points; the longer responses (word analysis and comprehension) count for 15% each and the shorter response (fluency and vocabulary, academic language & background knowledge) count for 10% each. My sense is that the points in each domain are mostly (mostly!) counting multiple-choice points; there might be some contribution from constructed response, but I don't think it's as much. Your audience is neither kids nor parents: it's fellow teachers of reading, or teachers of teachers of reading. They want to see you using the technical terminology of the field, and they don't care nearly as much about grammar or form.