Page 15 - Math Course 2 (Book 1)
P. 15

The Distributive Property





                                                                  Real World Example
                  Evaluate either expression to f nd the total cost.
                                                                   MOVIES  The cost of a movie ticket is $7 and the
                  4($80 + $39) =  4($80) + 4($39)  Distributive    cost of a box of popcorn is $2.
                                               Property.
                                                                   (A) Write two equivalent expressions to f nd the
                                  = $320 + $156   Multiply.        total cost for a family of f ve to go to the movies if
                                                                   each member of the family gets a box of popcorn.
                                  = $476       Add.
                                The total cost is $476. You can    A. 5($7) + 5($2); 5($7 + $2)
                    Answer     check your results by evaluating
                                          4($119).                 B. 5($7) + 5($2); 5($7 • $2)

                                                                   C. $7 + 5($2); $7 + $10


                Your Turn!                                         D. $7 + 5($2); 5($7 + $2)

                                                                     Answer
               Use the Distributive Property
                 Use the Distributive Property to write 3(9 + 2)
                 as an equivalent expression. Then evaluate the
                 expression.

                 A. 3 • 9 + 3 • 2; 30

                 B. 3 • 9 + 3 • 2; 33

                 C. (3 + 9)(3 + 2); 60

                 D. (3 + 9)(3 + 2); 72


                  Answer








                 Use the Distributive Property to write (7 + 3)5   (B) Find the total cost.
                 as an equivalent expression. Then evaluate the
                 expression.                                       A. $17

                 A. (7 + 5)(3 + 5); 96                             B. $40

                 B. (7 + 5)(3 + 5); 86                             C. $45

                 C. 7 • 5 + 3 • 5; 50                              D. $70

                 D. 7 • 5 + 3 • 5; 45
                                                                     Answer

                 Answer










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