Worksheet: Estimating Sums of Two-Digit Numbers: Rounding

In this worksheet, we will practice estimating the sum of two-digit numbers by rounding to the nearest ten.


Which number is nearest to 30+19?

  • A30
  • B50
  • C40
  • D80


Choose the number that is closest to 53+83.

  • A300
  • B100
  • C200

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