math

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Across
  1. 1. switch position and will add up to be the same.
  2. 3. line: a line that's shows the order of numbers.
  3. 5. additive is 0.
  4. 6. value: there distance between a number and 0.
  5. 7. adding 2 numbers together to get a answer
  6. 8. invers: a number opposite the sum of a number and
Down
  1. 1. property two numbers being added together
  2. 2. a whole number and its opposite
  3. 4. numbers: a number that can be written as a/b.