6th Grade Math Textbook, Progress

Choose the correct addends for each sum. Use estimation to help you.

Explain in your Math Journal the method you used for each exercise.

16.

17.

18.

19.

Sum Addends

6.0108 0.6 4.321 2.1408 3.27

1.4868 0.814 0.143 0.6293 0.7145

1.3861 1.2314 0.005 0.1497 1.147

0.011 0.0009 0.009 0.0201 0.0011

Estimate using rounding. Then find the sum.

1. 
   
   
   
   2. 
      
      
      
      3. 
         
         
         
         4. 
            
         
         
         
         
      
      
      
      
   
   
   
   


2. 
   
   
   
   6. 
      
      
      
      7. 
         
         
         
         8. 
            
         
         
         
         
      
      
      
      
   
   
   
   


3. 3.905
   4.96 10. 0.4791
   1.085 11.0.10907
   0.092


4. 0.2613
   0.45
   0.852 13. 0.5441
   9.3
   0.4637


5. 567,074
   96,132
   8650 15. 9,732,785
   13,820,465

3,245,840,900


 80,059,275

526,381,485


574,626,009

1.6902333


 0.7197807

3,465,892


2,396,087

2,527,004,609


 38,211,073

$11,873.52


 4,906.09

6.4922


 15.58

7 .00


8.56

20. A businesswoman has $1123.56
    in her checking account. She
    makes the following deposits:
    $23.82, $507.88, $595, $678.20.
    How much is in her account now?
    21. The odometer on Anna’s car
    showed. She drove
    234.7 mi. What did the odometer
    show then?

2 24 5^6 • 8

Add. Explain any shortcuts that you use.


 14  14

22. 186
    324 200
    324  524 524  14  510
    
    $.06 $.06
    23.$1.94
    $7.86 $2.00
    $7.86$9.86 $9.86$.06$9.80


23. 295
    25 25. 1289
    1514 26.$3.84
    $1.98
    $5.02

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