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Rounding Numbers Up and Down (Interactive Widget)

Rounding Numbers (Interactive Mathematics Lesson)

Use this interactive widget to see how the different methods of rounding numbers affect your number. Click on the number below to select which number to round and then select the method of rounding from the blue area. (Remember, the different methods for rounding often give the same results. Therefore, your number will not always change.)


Select the method for rounding:

Round Half Up
Round Half Down
Round to Floor
Round to Ceiling
Round Half Away from 0
Round Half Towards 0
Round Half to Even
Round Half to Odd
Round Half Randomly

"Round Half Up"

becomes 3
becomes 3
becomes 2
becomes -2
becomes -2
becomes -3