Week 1

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Across
  1. 5. Operations that “undo” one another
  2. 6. A set of rules that is used to simplify mathematical expressions with more than one operation
  3. 7. can be joined to or removed without changing the value of the group
  4. 8. An integer that is less than 0
  5. 9. Two numbers whose sum is 0
Down
  1. 1. The distance of a number from 0 on a number line
  2. 2. An integer that is greater than 0
  3. 3. numbers that are the same distance from 0 on a number line but are located on opposite sides of 0
  4. 4. Whole numbers and their opposites