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2.2 distributive property            September 07, 2011




      1. 5 * ­4                    Bellwork
      2. ­3 + (­1 ­ 8)

      Name the property shown.
      3. 17 + x + 3 = 17 + 3 + x

      4. (36*2)10 = 36(2*10)

      5. km = km * 1




HW pg. 74 #18­35                                          1
2.2 distributive property                             September 07, 2011




       Find the Area of each rectangle.   A = l * w

              4                 4

                     3              5




              4

                    3       5




HW pg. 74 #18­35                                                           2
2.2 distributive property                                             September 07, 2011




      Distributive Property ­ combines ­ multiplication with addition and subtraction

      Here are some examples:

      3(2 + 6) = 3(2) + 3(6)

      (2 + 6)3 = 2(3) + 6(3)

      6(7 ­ 4) = 6(7) ­ 6(4)

      (7 ­ 4)6 = 7(6) ­ 4(6)




HW pg. 74 #18­35                                                                           3
2.2 distributive property              September 07, 2011




       1.  20(102)          2.   9 * 199




HW pg. 74 #18­35                                            4
2.2 distributive property                                        September 07, 2011




     3.  At the Parent­Teacher Association Pancake Breakfast, the PTA served 
     397 people 4 pancakes each.  How many pancakes did the PTA serve?




HW pg. 74 #18­35                                                                      5
2.2 distributive property                                   September 07, 2011




     Your club sold calendars for $7.  Club members sold 204 calendars.  
     How much did they raise?

     Use the distributive property to solve.  




HW pg. 74 #18­35                                                                 6
2.2 distributive property                                    September 07, 2011




       Simplify each expression.  (Use the distributive property)

       4.  8(15) ­ 8(5)                     5.   7(21) + 7(9)




HW pg. 74 #18­35                                                                  7
2.2 distributive property                   September 07, 2011




      Multiply.

      5.  ­5(4x ­ 3)        6.  (2x + 5)7




HW pg. 74 #18­35                                                 8
2.2 distributive property             September 07, 2011




                             HW:
                             pg 74 
                            # 18­35




HW pg. 74 #18­35                                           9

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2.2 notes

  • 1. 2.2 distributive property September 07, 2011 1. 5 * ­4 Bellwork 2. ­3 + (­1 ­ 8) Name the property shown. 3. 17 + x + 3 = 17 + 3 + x 4. (36*2)10 = 36(2*10) 5. km = km * 1 HW pg. 74 #18­35 1
  • 2. 2.2 distributive property September 07, 2011 Find the Area of each rectangle.   A = l * w 4 4 3 5 4 3 5 HW pg. 74 #18­35 2
  • 3. 2.2 distributive property September 07, 2011 Distributive Property ­ combines ­ multiplication with addition and subtraction Here are some examples: 3(2 + 6) = 3(2) + 3(6) (2 + 6)3 = 2(3) + 6(3) 6(7 ­ 4) = 6(7) ­ 6(4) (7 ­ 4)6 = 7(6) ­ 4(6) HW pg. 74 #18­35 3
  • 4. 2.2 distributive property September 07, 2011 1.  20(102) 2.   9 * 199 HW pg. 74 #18­35 4
  • 5. 2.2 distributive property September 07, 2011 3.  At the Parent­Teacher Association Pancake Breakfast, the PTA served  397 people 4 pancakes each.  How many pancakes did the PTA serve? HW pg. 74 #18­35 5
  • 6. 2.2 distributive property September 07, 2011 Your club sold calendars for $7.  Club members sold 204 calendars.   How much did they raise? Use the distributive property to solve.   HW pg. 74 #18­35 6
  • 7. 2.2 distributive property September 07, 2011 Simplify each expression.  (Use the distributive property) 4.  8(15) ­ 8(5) 5.   7(21) + 7(9) HW pg. 74 #18­35 7
  • 8. 2.2 distributive property September 07, 2011 Multiply. 5.  ­5(4x ­ 3) 6.  (2x + 5)7 HW pg. 74 #18­35 8
  • 9. 2.2 distributive property September 07, 2011 HW: pg 74  # 18­35 HW pg. 74 #18­35 9