Wednesday, November 22, 2017

Wisdom from "The Matrix" & Integers

Wisdom: 

https://www.youtube.com/watch?v=xc3VG9JZM6I

Mathematics:  "I didn't do nothing."  A classic statement, uttered by many students, which will usher in our explanation of Grade 8 Math.

https://www.mathsisfun.com/multiplying-negatives.html
The graphic using the baby walking --to explain how you multiply with Integers-- was not explored very much.  I returned to it with a renewed sense of purpose and came up with an explanation that some of you may find helpful:





This section on Integers may be a lot easier than the adding and subtracting we have been doing.  
I used to use this site, when I had a Grade 8 class, to do some online reviewing of concepts we are learning:  http://www.math.com/school/subject1/lessons/S1U1L12DP.html
This item is also posted on Google Classroom.

Another item of interest, relating to Integers in the "real world."




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