Mathematics Day

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Across
  1. 2. The amount of matter in an object.
  2. 4. A unit of time equal to 60 minutes.
  3. 5. A straight path that goes on forever in both directions.
  4. 6. A network of intersecting lines.
  5. 8. A diagram showing data relationships.
  6. 9. The average of a set of numbers.
Down
  1. 1. A number that divides another number exactly.
  2. 3. A shape with six sides.
  3. 4. How tall something is.
  4. 7. A flat surface on a 3D object.