math problems

A) 5+ -8  
  you add 5 to -8


B) -4 + 10 the same thing for A

C) 4-9
subractionfile

vocabulary part 2

vocab

Spreadsheets can be used in math to find varies of numbers and for th in and out table





https://spreadsheets0.google.com/ccc?key=tLekEMYp9j9iZMKGHy9DQZA&authkey=CNKG2cIK&hl=en#gid=0