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Patterns to Symbols: Algebra

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Slide 20 of 35

Errors in generalizing

• Over-generalizing
  (for the pattern 5, 8, 11, ...) [slide shows image of student response, which says "Divide the number by 3, and if it equals a whole number then it can be in the pattern."]

Speaker's notes: This student sees the increase by three each time but fails to take the starting point into consideration