Study scope: Aligned to the supplied official 2027 Division B rules, pages B3-B4. Core covers regional subject matter; State practice adds state/national topics. Some slide headings incorrectly say national-only. Competition: one double-sided US-letter sheet per team, two Class II calculators, approximately 50 minutes.
Use results to choose the next session
Below 70%: repair core concepts. At 70–79%: repeat errors and explain mechanisms. At 80% or more on two separate checks: add state application. These are training targets, not predicted tournament scores. New questions, old question repeats and self-scored writing should be interpreted separately.