Monday, January 9, 2017

Simplifying Algebraic Expressions


Write an expression for each situation.  Simplify the expression.  



1.  John has y stickers.  He keeps 20 stickers for himself and gives the remainder to his two sisters equally.  How many stickers does each sister get?

2.  Kenny has m guppies and 10 angelfish.  He buys another 20 guppies and 30 angelfish.  How many fish does Kenny have now?

3.   8 + 12s - 7 - 9s + 4



Comment below to answer one or all questions. 
 Make sure to identify the problem you are solving.  
I will not display your answers until tomorrow afternoon.  



5.0A.1  I can use parentheses, brackets, or braces in numerical (and algebraic) expressions, and evaluate with these symbols.  
5.OA.2  I can write simple expressions that record calculations with numbers, and interpret numerical (and algebraic) expressions without evaluating them. 
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10 comments:

  1. Haven N.January 9, 2017 at 4:21 PM

    1.[y-20]divided by 2

    ReplyDelete
  2. Haven N.January 9, 2017 at 4:24 PM

    1 continued.So each sister will receive half of [y-20]

    ReplyDelete
  3. Haven N.January 9, 2017 at 4:32 PM

    2.m+10+20+30
    Answer.Kenny has m+60 fish now
    3.8-7+4+12s-9s
    1+4+12s-9s
    5+12s-9s
    5+3s
    Answer.5+3s

    ReplyDelete
  4. sadieJanuary 9, 2017 at 6:29 PM

    His sisters get (y-20 over 2).

    ReplyDelete
  5. AnonymousJanuary 9, 2017 at 7:22 PM

    Brody

    1. y-20/2

    2. (m+20)+(10+30)

    3. 5+3s

    #MATH
    #ALGEBRA

    ReplyDelete
    Replies
    1. Mrs. CummingsJanuary 10, 2017 at 11:01 AM

      Awesome job, Brody! However #2 needs to be simplified to m+60 fish. Thanks for commenting :)

      Delete
  6. Kayla NJanuary 9, 2017 at 9:05 PM

    1. (y-20)/2
    2. m+60
    3. 5+3s

    ReplyDelete

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