1.1-1.3

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Across
  1. 2. Rounding all your numbers to the place value on the far left of your number. The rest of your numbers will be replaced with zero.
  2. 3. a process where groups of ten are moved to a different place value while performing either addition or subtraction.
  3. 5. mathematical phrase
Down
  1. 1. Phrase with only numbers and operational symbols.
  2. 4. Replacing a number with an approximate value that has a shorter or simpler representation.