Math Vocabulary-Unit 2

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Across
  1. 3. you can change the order of the numbers
  2. 4. an approximate value, not an exact answer
  3. 6. numbers that are easy to add mentally
  4. 7. you can regroup numbers to make adding easy
Down
  1. 1. answer to a subtraction problem
  2. 2. adjusting numbers to make computing easier
  3. 5. the numbers in an addition problem
  4. 8. answer to an addition problem