How Many Ways: Times Equals Minus

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How Many Ways? →

Summary

How many different ways can you make this math statement true using only the digits one through nine?

  1. First, students look for as many possible solutions as they can find.
  2. Then, they look for patterns in their findings and give each pattern a name.
  3. Finally, which of those patterns would hold true if we changed from subtraction to addition on the right side of the equation?

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