This week I have learned how to add integers. For example, you take (+5) + (-8) =. You think of five pieces of paper that are pink (positive) and eight pieces of paper that are yellow (negative). You cancel then out and are left with three yellow pieces so, your answer is -3.
-Hayley
Tuesday, December 13, 2016
Thursday, December 8, 2016
Friday, December 2, 2016
Tysons blog
Today I learned that rain or snow that is contaminated by acid from industrial pollutants, especially sulphur,dioxide and nitrogen is called acid rain
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