Estimation

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Across
  1. 2. ACROSS: If a number is exactly halfway (like 5), you round ___. (##) (2 letters)
  2. 4. Thousand ACROSS: Round 8,342 to the nearest thousand. (13 letters)
  3. 6. DOWN: Round 149 to the nearest hundred. (#######) (7 letters)
  4. 7. DOWN: Estimate the sum of 42+59 by rounding to the nearest ten. The answer is one _______. (#######) (7 letters)
  5. 9. ACROSS: Round 46 to the nearest ten. (#####) (5 letters)
  6. 11. Clues
  7. 12. Clues
Down
  1. 1. ACROSS: Estimate the product of 21×49 by rounding both numbers to the nearest ten first. The answer in words is…(8 letters)
  2. 3. DOWN: Round 79 to the nearest ten. (#####) (5 letters)
  3. 5. DOWN: To round 6,780 to the nearest thousand, you look at the digit in the ________ place. (########) (8 letters)
  4. 8. ACROSS: The word for a rough calculation or an educated guess. (8 letters)
  5. 10. DOWN: When rounding to the nearest ten, if the ones digit is 4 or less, you round ____. (####) (4 letters)