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Friday, October 2, 2015

10/2 Lesson 3.3.3 Simplifying Expressions

1.  Warm-up:  Lesson 3.3.3, problem 3-114 (projected on the screen)
  • Early finishers:  Try the Challenge problem 3-117
2.  Lesson 3.3.3 Simplifying Expressions
  • Objective:  I will use the Commutative and Associative Properties to simplify expressions.
  • Mr. Robinett leads problem 115
  • Now you try:
    • -7 - 8 - 4 + 12 - 8 + 16
    • -6 - 3 · (-1) + 3 · (-4)
    • 3 - 4 · (-7) - 3 · (-4) - 25
    • 1/2 - 3 · (-1/3) - 1/8 · 4
  • In groups:  Problems 116 through 118
Homework:  No Review/Preview! Instead, do Ch. 2 Closure #132 and Ch 3 Closure #131, 132, 134, 136