Arithmetic and Algebra

1234567891011121314
Across
  1. 2. The study of the properties of and relations of numbers using 4 basic
  2. 4. The set of numbers on a number line
  3. 6. The mathematical processes of addition subtraction multiplication and division
  4. 7. A letter or symbol that stands for an unknown number
  5. 8. A mathematical sentence that includes at least one operation and a variable
  6. 10. A sentence that is true or false
  7. 11. Numbers the same distance from zero but on different sides of zero on the number line
  8. 13. The set of whole numbers and their opposites
  9. 14. The branch of mathematics that uses both letters and numbers to show relations between quantities
Down
  1. 1. whole numbers greater than zero
  2. 3. A mathematical processes of addition subtraction multiplication and division
  3. 5. The distance a number on the number line is from zero
  4. 9. Whole numbers less than zero
  5. 12. A sentence that neither true or false