Math:  Today we learned about subtracting polynomials

Adding polynomials with algebra tiles video : https://www.youtube.com/watch?v=It4yX6XSORo
Subtracting polynomials with algebra tiles video: https://www.youtube.com/watch?v=4ErAgzUn4VQ

Homework:  homework slip Q8, 13

Science:  see the previous post for the lab equipment naming. 
****Please bring back lab safety contract

Homework:  Classification of matter worksheet.  Use textbook P. 102-103.  

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