chapter 2 vocab

https://docs.google.com/document/edit?id=1NCBoZNyTWMnkPxSb_SG8uIgBSFnFIc8uR0cvYpTsPIc#

adding and subtracting integers

a) -8+5=-3
b) you can take -4 and see how far away from 0 it is (its 4) than u add 6 to 0= 6
c) you take 4 and minus see how far away from 0 it is then subtract 5 more b/c 4+5 =9 so the answer is -5
d) turn the minus sighns into plus signs and then add 8 to -8=0 then add 1 more to equal 9

spreadsheets in math

it could be used in math because you can make a graph on it and see the differnt types of graphs.
https://spreadsheets.google.com/ccc?key=0AqpXCA34AGjCdGxsb3JhWE5DM0w5ZTZkZnFsWUpFcmc&hl=en#gid=0