Page 89 - Math Course 1 (Book 1)
P. 89

Dividing Rational Numbers





                 SEWING
                             2                                                           5
                 Emily has  32   yards of fabric. She wants to make pillows which each require
                                                                                       3
                             3                                                           6
                 yards of fabric to complete. How many pillows can Emily make?
                        5                           12
                 A.  3     or 3 pillows       C.  8     or 8 pillows
                       23                           23

                 B.  5  2  or 5 pillows       D.  125  2  or 125 pillows
                        7                            9

                  Answer





                 Skill Practice!




                Find the multiplicative inverse of each number.
                    7                                                                     5
               1.                                     4.  -64                       7.  -6
                    12                                                                    6


                    3                                        1
               2.  -                                  5.  8
                    10                                       3
                                                                                          1
                                                                                    8.  1
                                                                                          8
                    1                                        2
               3.                                     6.  -10
                    8                                        3




                Find each quotient. Write in simplest form.

                     1      7                                             2     2
               9.        ÷                                      12.          ÷
                     3      18                                            3     3






               10.  -  2   ÷  4                                 13.       4   ÷ -  1
                       5     25                                           5      15






               11. -5  ÷  1                                     14.      19   ÷  4
                         7                                               20     5






                                         15.       4bc  ÷  5bc
                                                   c      c




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