AMC 8 · Journal
Patterns And Sequences
Guides, updates and answers about the AMC 8 — registration, the exam, preparation and results.
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AMC 8 Patterns and Sequences: The Seven-Type Lookup Card, Four Formulas and a 12-Problem Worked Key
A lookup card for AMC 8 sequence questions: seven pattern types with their first move, four formulas, digit-position tables and twelve original problems with a worked key.