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Worksheets on Multiplication and Division

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Worksheets on Multiplication and Division Powered By Docstoc
					                                            Solving Equations Using
                                            Multiplication/Division &
                                             Addition/Subtraction
Name: ________________________                                       Date: __________________
Objective: Use the identity principles of addition and multiplication to solve for x .
Instructions: Solve for x. Show and check your work.
           Some number divided


      x                                               x /9 = -5 + 14, x /9 = 9,                     81/9 - 14 = -5, 9 -14 = -5,
1.             -           14       = -5
      9                                               x = 9 x 9, x = 81                      Check: -5 = -5 

2.        48 = 10 x                  -     2
                                                                                             Check:

3.         x           +        3     =    87
           12                                                                                Check:

4.             7x -             6     =    1
                                                                                             Check:

5.         x           -        14 = 34
           4                                                                                 Check:

6.    130 =                  x       +     16
                                3                                                            Check:

7.        -7       +       9 x        = 83
                                                                                             Check:


8.        13       =
                             x       -     6
                                7                                                            Check:


9.             8x +             6     = 70
                                                                                             Check:


10.       80       =
                             x       +     10
                             10                                                              Check:


11.       56 =             5 x       +     6
                                                                                             Check:


12. 106 =
                             x       -     18
                                8                                                            Check:

                                           9ebd7f29-ac49-44ea-8fa3-448a5f3d0d41.xls/Add Subt Mult Div
                                            Solving Equations Using
                                            Multiplication/Division &
                                             Addition/Subtraction
Name: ___KEY KEY KEY__________                                       Date: __________________
Objective: Use the identity principles of addition and multiplication to solve for x .
Instructions: Solve for x. Show and check your work.
           Some number divided


      x                                               x /9 = -5 + 14, x /9 = 9,                     81/9 - 14 = -5, 9 -14 = -5,
1.             -           14       = -5
      9                                               x = 9 x 9, x = 81                      Check: -5 = -5 

                                                                                                        ~x =
2.        48 = 10 x                  -     2                            5
                                                                                             Check:              48

           x                                                                                            ~x =
3.
           12
                       +        3     = 87                           1008
                                                                                             Check:              87

                                                                                                        ~x =
4.             7x -             6     =    1                            1
                                                                                             Check:              1

           x                                                                                            ~x =
5.
           4
                       -        14 = 34                               192
                                                                                             Check:              34

                             x                                                                          ~x =
6.    130 =                          +     26                         624
                                6                                                            Check:             130

                                                                                                        ~x =
7.        -7       + 9 x              = 83                             10
                                                                                             Check:              83

                             x                                                                          ~x =
8.        13       =
                                7
                                     - 6                              133
                                                                                             Check:              13

                                                                                                        ~x =
9.             8x +             6     = 70                              8
                                                                                             Check:              70

                             x                                                                          ~x =
10.       80       =                 +     10                         700
                             10                                                              Check:              80

                                                                                                        ~x =
11.       56 =             5 x       +     6                           10
                                                                                             Check:              56

                             x                                                                          ~x =
12. 106 =                            - 18                             992
                                8                                                            Check:             106

                                           9ebd7f29-ac49-44ea-8fa3-448a5f3d0d41.xls/Add Subt Mult Div

				
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