Review of Introductory Mathematics
SIGNED NUMBERS
Example:
(-2) + 3 + 4 = 0 - 2 + 3 + 4
Solution:
Therefore: (-2) + 3 + 4 = 5
Example:
(2) + (–4) =
Solution:
Begin with 2 and count 4 whole numbers to the left.
Therefore: (2) + (–4) = –2
Rev. 0
Page 49
MA-01
