different things related to math.

12345678
Across
  1. 2. a certain thing need a certain amount in order to have it of they.
  2. 5. is on the right of the ones digit and is parts of a whole.
  3. 6. when you remove a number from another number.
  4. 7. whenever you make a number smaller but not reach zero.
  5. 8. parts of a whole number.
Down
  1. 1. when you add by itself more then once.
  2. 3. when you put different numbers together.
  3. 4. a certain amount of things compared to a different amount of things.