Broken Model
Formula Fix
A spreadsheet-native formula puzzle where one damaged expression must be repaired across a small operating model. Every Tuesday and Thursday the same seeded model appears in Daily Close.
Broken_Model_Worksheet.xlsxDaily formula repair
B2
=OPEN("Broken Model","Type and validate a formula")
SummaryBroken ModelScoreNotes
How it plays
A bad merge damaged one formula. Repair it before the model goes back to finance.
Why it passes as work
Typing and validating formulas is indistinguishable from ordinary spreadsheet work.
Controls
Edit the formula in the model-output cell and press Enter to validate it across every row.
Scoring
Scores reward solving, using fewer valid entries, finishing quickly, and meeting formula par. The Tuesday and Thursday Daily Close format, with practice available at any time.