Unit 2 Math Vocabulary

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Across
  1. 1. number A _____________ is a number that is close to a number but is easy to work with.
  2. 4. When you ____________ addends, you break them apart.
Down
  1. 2. form The representation of a number as a sum of the values of each digit is called ___________.
  2. 3. When you _____________ a number, you find a number that is close to the original number.
  3. 5. You can ___________ an answer when you do not need an exact answer.