Math Magic! - Easy

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Across
  1. 4. Repeated addition
  2. 6. A set of numbers that tells you where something is
  3. 7. What you get when you subtract
Down
  1. 1. Combining values of numbers
  2. 2. A closed shape with three straight sides
  3. 3. A straight set of points that has a start but no end
  4. 5. A straight set of points going forever on both sides