numeracy vocabulary (that may be very hard)

12345678910111213141516
Across
  1. 2. a sign used to solve word problems
  2. 5. a fraction that is not a proper fraction
  3. 7. the opposite of subtraction
  4. 9. a sequence of numbers that follow after each other
  5. 11. money from foreign countries
  6. 13. the opposite from thousands
  7. 16. the opposite to less than
Down
  1. 1. the bottom number in a fraction
  2. 3. a capacity measure
  3. 4. a twelve sided shape
  4. 6. the opposite of a positive number
  5. 8. the name of a number that appears the most in a sequence
  6. 10. a diagram that is used to sort numbers into sections
  7. 12. a number that keeps going and never stop
  8. 14. a shape with 4 sides
  9. 15. a one digit number