Rounding Whole Numbers (Number Line)

Place points on a number line. Round these values to the nearest ten or hundred. Visualize rounding by showing the number line as a hill or series of hills. These hills cause the points to roll to the nearest valley (nearest multiple of ten or one hundred).

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  • Round a given number to the nearest ten and/or nearest hundred.
  • Given a rounded number, determine what the original value could have been.
  • For a given number, name the two multiples of ten and/or the two multiples of one hundred that it falls between.
  • midpoint, multiple, round, whole number