1. Subtracting Rationals (mainly integers)
Hints!
RAP!
Simplify. Evaluate. 2. 4. 5.
Use a number line, $ money $ , or the RAP.
Same signs …ADD! Signs opposite … SUBTRACT! (Change doubles!)

2. 11. The temperature in Havre, Montana yesterday was –12 degrees.
During a Chinook the temperature will drop 20 more degrees, but then
warm up 50 degrees. What will the temperature be after the Chinook?
12. Your checking account shows an overdraft, or a negative balance.
Your present balance is -$25. You deposit $100, then write a
check for $12. What is your new balance?
13. On its first down, the football team gains 8 yards. On its second down,
it gains 1 yard. On its third down, it loses 5 yards. On its fourth down,
it gains 7 yards. Does the football team gain at least 10 yards?