Scribe Post October 27th

Monday, October 27, 2008
Ladies and gentlemen, children of all ages! Get ready to erase all of your childhood memories for subtraction is a myth! Kind of a sad realization isn't it?

"Subtraction is a myth, find the Myth Busters."
-Mr. Harbeck

So how do you solve a 'subtraction' question like (+8)-(+2)? By adding the opposite ofcourse!

For example:
Here is another example:
(+4) - (-3) =
(+4) + (+3) = +7
*Note that the first integer in the question does not change.

The homework is page 46 A. in the yellow math booklet, questions 1-45. Three questions have to be done with algebra tiles.

Algebra tiles are drawn like this:
Yes, you have to draw both of the opposites (positive and negative) and take away the integer that is from the original question.

A video about subtracting integers:

The next scribe shall be Nikki Lopez.

3 comments:

  1. linda 8-17 said...

    GOOD JOB, GIZZLE ! The pictures are well done ;D

    October 27, 2008 at 6:47 PM  

  2. NickyD817 said...

    Wow, so many colours! Anyways good scribe and nice pictures by the way. =)

    October 27, 2008 at 9:57 PM  

  3. camille817 said...

    GIZZLE!

    I know my comment is veeerrrry late but I forgot how to subtract integers for the test tomorrow thanks!:)

    November 25, 2008 at 10:02 PM  

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