Page 36 - Math Course 1 (Book 1)
P. 36

Dividing Integers






                 Let’s Begin                               Your Turn!


                                                          Divide Integers with the Same Sign

         Divide Integers with the Same Sign

                                                            Find –72 ÷ (–8).
         Examples                                           A. 9
                                                            B. –6
                                                            C. –9
                                                            D. 7
         Find –28 ÷ (–4).
                                                                               Answer
              –28 ÷ (–4) = 7     The quotient is positive.
                                                                 -36
                                                            Find   4
            Answer       7                                  A. –9
                                                            B. 9
                                                            C. –32

              96                                            D. –7
         Find
               8                                                               Answer
              96  = 96 ÷ 8  The quotient is positive.
               8
                  = 12
                                                          MO. 1 - L6b


            Answer       12                                     Finding the Average of
                                                                       a Set of Data




            Divide Integers with Different
                            Signs                                     Vocabulary A-Z
                                                                      Let us learn some vocabulary
           Find 54 ÷ (–3).


              54 ÷ (–3) = –18  The quotient is negative.


            Answer       -18                              Mean
                                                          Division is used in statistics to f nd the mean, or
                                                          average, of a set of data.

                -42
           Find                                           -2 + 8 + 5 + (-9) + (-12) + (-2)       -12 Find the sum of
                  6                                                                        the set of integers.
                                                                         6             6   Divide by the
                 -42  = -42 ÷   6  The quotient is negative.                               number in the
                   6
                                                                                           set.
                     = -7       Simplify.
                                                                                     = -2 Simplify.

            Answer       -7



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