NBPTS MC Math case studies
NBPTS MC Math · Put your knowledge to work in context.
National Board Certification is a voluntary professional credential for practicing teachers, described by the National Board as "the highest certification a teacher may obtain in addition to being the most respected one." It was designed to develop, retain, and recognize accomplished teachers and to generate ongoing improvement in schools nationwide. Certification is a standards-based assessment: your score reflects the degree to which assessors located clear, consistent, and convincing evidence that you met the National Board Standards for your certificate field. The NBPTS MC Math case studies are 5 cases and about 3,081 words.
1Keep-Change-Flip or Reason From Quantities?
Alvarez teaches a 6th-grade mathematics class of 27 students in a departmentalized school. The district pacing guide allots two days for dividing fractions; tomorrow the team gives a common quiz and moves to decimal operations.
538 words, about 3 min2A Rubric Boundary Case in Proportional Reasoning
Chen is scoring a grade-7 constructed-response item for an assessment-center-style task: 'A recipe uses 3 cups of flour for 4 dozen cookies. How many cups are needed for 18 dozen?
648 words, about 3 min3Choosing Portfolio Evidence When Test Scores Look Strong
Rivera is assembling a portfolio entry on formative assessment in a grade-6 statistics unit. She has four possible artifacts: (a) a pre/post quiz summary showing class mean rising from 42% to 78%, with 5 of 24 students unchanged; (b) an 8-minute video of a small-group discussion in which one student argues that the mean is always the best measure of center and another uses a counterexample with an outlier; (c) three student reflection slips, two saying 'I learned how to find the mean' and one saying 'I still don't know when to use median'; (d) her lesson plan with an exit-ticket question and a scoring guide.
530 words, about 3 min4Acceleration by Pull-Out Versus Keeping Access
At a K-8 school, the grade-5 team has 30 students in one mathematics block. A midyear screening shows 8 students ready for a pre-algebra ratios unit, 10 who can compute equivalent ratios but cannot explain them with tape diagrams, 4 with IEPs in mathematics, and 6 English learners at intermediate proficiency.
687 words, about 3 min5The Cafeteria Wait-Time Outlier
Okafor's grade-6 class collected cafeteria wait times for five days. Each pair timed 10 students, producing 50 times.
678 words, about 3 min