Matthew M.

12345678910
Across
  1. 1. connects center and edge of a circle
  2. 5. answer of a multiplication problem
  3. 7. a number that is added
  4. 9. where two faces meet
  5. 10. number written as the sum of ts digits
Down
  1. 2. 3 dimensional ball
  2. 3. half of a sphere
  3. 4. number multiplied by itself
  4. 6. strait line connecting center and points of a circle
  5. 8. used to show less than one