21 rounded to the nearest ten with a number line

  • Determine the two consecutive multiples of 10 that bracket 21
  • 21 is between 20 and 30
  • 25 is the midpoint between 20 and 30
  • As illustrated on the number line, 21 is less than the midpoint (25)
  • Therefore, 21 rounded to the nearest ten = 20
21 rounded to the nearest ten with a number line

The solution above and other related solutions were provided by the Round to the Nearest Ten with a Number Line Application.

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