If all students pass the pre-test you need to teach the same unit but at a higher or more accelerated level. That way the students are taught the correct ASK/CCS but at a level they are interested in and can be challenged.

I were Mrs. Granger, I would teach the standards that students did not pass and retest after those have been taught. I do not feel that she should automatically give the posttest. Not every student got 100% on their pretest. Teach the items that scored low (even though everyone passed) then give a posttest. She should raise her mastery percentage because she should expect even higher scores now.

If you give a pretest and all students in the classroom show mastery of the material, then you move on. There is no reason to spend excessive time on something the kids already know. I am not a math teacher, but what I would do is sprinkle it in as we move on just to make sure they don't forget the concept.

Depending on the scores, I would determine who would need to be retaugt some skills and administer the post-test later. Also it depends on what you think is passing. If a student scored a 70% that would not be considered mastery to me and you should reteach.

The pre-test data shows that students have some strong prior knowledge with concepts in the next unit. However, there are several factors to consider. It does not mean students have the depth of knowledge or understanding because they passed the test. After all, with multiple choice tests there is a 25 percent probability of selecting the correct answer. Students still need experiences / practices with the skills to ensure student know and understand the accurate process to determine the correct answers. I would need more evidence of readiness for the posttest. I would give the posttest after instruction on skills based on student performance on other informal and formal assessments.

If the majority of the students, say 80%, passed the pre-assessment, the teacher needs to move on to the next concept and not give the post test. However, she should still incorporate the material through daily warm ups, homework, or exit tickets to assure that the students maintain the understood material. For the 20% of the students who did not pass, she should provide remediation opportunities for those students.

Break the pretest down by specific skill and analyze what aspects of the standards students are missing. Then just teach them and posttest them on those skills. Add extra challengers and connection/extension problems. Make sure you are requiring them to APPLY the skill and not just perform it. For students who made a 100%, move on with them. There is already not enough time in the day...don't waste time on matter they don't need. This is where differentiation is key.