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Do Now

Do Now. Evaluate each expression if a =4, b=15, and c= 9 1.) b 2 – 5c 2.) 4b ÷ 5 3.) 2ac Pick 2 DWP #35. 180. 12. 7 2. 12/ 12/2013 5-1D Algebra: Write Expressions. 1 st Step- Define the Variable- choose a variable and decide what the variable represents. Example 1.

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Do Now

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  1. Do Now Evaluate each expression if a=4, b=15, and c=9 1.) b2 – 5c 2.) 4b ÷ 5 3.) 2ac Pick 2 DWP #35 180 12 72

  2. 12/12/2013 5-1D Algebra: Write Expressions

  3. 1st Step- Define the Variable- choose a variable and decide what the variable represents

  4. Example 1 Write the phrase two dollars less than the price of a movie ticket as an algebraic expression. The expression is m – 2.

  5. Example 2 Write the phase five years less than her aunt’s age as an algebraic expression. The expression is a – 5.

  6. Example 3 Sheri made a certain number of bracelets for the craft fair. Mika made 5 less than three times the number of bracelets that Sheri made. Write an expression to represent the number of bracelets Mika made. The expression is 3b – 5.

  7. Ex. 4 One third of the points that the Beach scored ⅓p or p ÷ 3

  8. Your Turn

  9. Homework • Pg. 284 #1-16 Evens

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