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