Arithmetic Grade Four

Lesson One hundred and thirty-five: Rounding and Dividing


Here's another example:

Now take a look at these examples.


    PROBLEM: 8855 / 89 = 

    STRATEGY: round divisor to nearest 10, dividend to nearest 1000
              and forget about the remainder.

    ROUNDED PROBLEM: 9000 / 90 = 100

    The actual answer to this problem is 99 r44 which isn't too far
    away from our rounded answer.


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