Estimation with Addition

Name_________________________

Date__________________________

 

You will be estimating many different kinds of numbers. 

 Round each number to its nearest whole number  mentally  and then write down the estimated sum.

 

1.   3.45               2.  23,456.50                3.   98.38        4.  439.8

      6.90                                .75                         .01               19.2

 

5.  19 3/4 +12 1/8 =                    6.    9 2/3 + 33 1/3 =

 

7.  10 1/4 +  4 3/4 + 6/8 =          8.  100 5/6 + 54 7/9 =

 

9.    90 15/16 + 2 1/2 =                10.  1 5/6 + 34 1/3 =