Basic Mathematics for College Students

5. To see whether the result of a subtraction is
   reasonable, we can round the minuend and
   subtrahend and the difference.


6. To evaluate an expression such as 58  33 9 means
   to find its.

CONCEPTS

Fill in the blanks.

7. The subtraction is related to the addition
   statement.


8. The operation of can be used to check the
   result of a subtraction: If a subtraction is done
   correctly,the of the difference and the subtrahend
   will always equal the minuend.


9. To evaluate (find the value of) an expression that
   contains both addition and subtraction, we perform
   the operations as they occur from to.


10. To answer questions about how much moreor how
    many more,we can use.

NOTATION

11. Fill in the blank: The subtraction symbol is read as
    “.”


12. Write the following subtraction fact in words:


13. Which expression is the correct translation of the
    sentence:Subtract 30 from 83.
    or


14. Fill in the blanks to complete the solution:

GUIDED PRACTICE

Subtract.See Example 1.

15. 
    
    
    
    16. 
        
    
    
    
    


16. 
    
    
    
    18. 
        
    
    
    
    


17. 
    
    
    
    20. 
        
    
    
    
    


18. 
    
    
    
    22. 
        
    
    
    
    

Subtract.See Example 2.

23. 347 from 7,989 24. 283 from 9,799


24. 405 from 2,967 26. 304 from 1,736

257

 155

674

 371

596  372 869  425

95

 32

89

 28

37  14 42  31



36  11  5   5

83  30 30  83

28  22  6

 

7  3  4

Subtract.See Example 3.

27. 
    
    
    
    28. 
        
    
    
    
    


28. 
    
    
    
    30. 
        
    
    
    
    

Subtract.See Example 4.

31. 8,746  289 32. 7,531  276


32. 
    
    
    
    34. 
        
    
    
    
    

Subtract.See Example 5.

35. 54,506 2,829 36. 69,403 4,635


36. 
    
    
    
    38. 
        
    
    
    
    

Check each subtraction using addition.See Example 6.

39. 
    
    
    
    40. 
        
    
    
    
    


40. 
    
    
    
    42. 
        
    
    
    
    

Estimate each difference.See Example 7.

43. 67,219 4,076 44. 45,333 3,410


44. 83,872 27,281 46. 74,009 37,405
    Evaluate each expression.See Example 10.


45. 35  12  6 48. 47  23  4


46. 56  31  12 50. 89  47  6


47. 574  47  13 52. 863  39  11


48. 966  143  61 54. 659  235  62

Perform the operations.

55. 
    
    
    
    56. 
        
    
    
    
    


56. 
    
    
    
    58. 
        
    
    
    
    


57. Subtract 199 from 301.


58. Subtract 78 from 2,047.


59. 
    
    
    
    62. 
        
    
    
    
    


60. 
    
    
    
    64. 
        
    
    
    
    


61. 420  390 66. 330  270

633  598  30 600  497  60

224

 122

367

 347

2,470

 863

3,430

 529

416  357 787  696

TRY IT YOURSELF

2,698

1,569

1,129

4,539

3,275

1,364

469

 237

132

298

 175

123

39,506

1,729

48,402

3,958

4,823

 667

6,961

 478

94

 37

96

 48

42

 19

53

 17

1.3 Subtracting Whole Numbers 37