Adding Integers
Positive numbers are like.....
Money in you pocket!
The phrase that helps us turn a subtraction integer problem into an addition problem is....
Same, change, change
An even number of negative integers would make a multiplication problem have a _____________ answer.
positive
An odd number of negative integers would make a division problem have a _____________ answer.
negative
Bertha had a balance of -$38 in her bank account. After she deposited $195 into the account, what was Bertha's new balance?
$157
25 + 95
120
7 - 10
-3
8 x (-9)
-72
32/-4
-8
Skippy has $114 in his bank account. he used his debit card to buy a $179 bike, then uses his card again to buy a $29 helmet. After both purchases, what is Skippy's account balance?
Skippy's balance is -$94.
77 + (-13)
64
-29 - (-7)
-22
-72 x -6
432
-80/-8
10
An airplane descends at a rate of 225 feet per minute. What integer represents the airplane's change in altitude in feet after 8 minutes?
-1800 feet
-15 + (-34) + 41
-8
-14 - (-5) - 27
-36
-7 x 4 x (-5) x 2
280
(80 divided by -4) divided by 5
-4
A hot air balloon descended 2,500 feet in 125 minutes. What integer represents the change in altitude of the balloon in feet each minute?
-20
19 + (-37) + 28 + (-56) + 18 + (-3)
-31
16 - (-6) - (-14) -18 - (-3)
21
-5 x (-7) x 10 x (-4) x 6
-8400
-200/5 divided by 4
-50
Simon opened a checking account and deposited $400. Then he took his mom out for lunch and spent $23. His paycheck of $120 was deposited into the account. Later, Simon bought $88 of World's Finest Chocolate from Dr. Gary. What's Simon's new bank balance?
$409