Adding Integers
The solution to this expression -9 + (-7) is
-16
17-(-5)
22
(7)(-8)
-56
Irene has a checking account. On Monday she writes a $160 check. She deposits $180 back into her account, what is the expression to represent this problem. Then state how much money she has in her account.
-160 + 180
$20
Solve this problem and then state the answer. 14+-13
1
(-6)-(-3)
-3
-10÷-2
5
The Texans football team ran 4 plays and each play they lost 2 yards. How many yards did they gain or lose?
Write the expression to represent the situation and then find the answer.
(4)(-2)
-8 yards
Simplify: 17+5+-6
16
-81 + 3
78
50÷-5
-10
The temperature dropped 3 degrees every hour for 5 hours. What is the integer that represents the change in temperature.
Write the expression and then answer.
(-3)(5)
-15 degrees
Simplify: -19+7+-9
-21
2 - (-9) + (-3)
8
If a = 4 and b = -7, what is ab?
-28
The high temperature started out as 81 degrees and then dropped 20 degrees at night. What is the temperate at night?
Write an expression and then state the answer.
81 + (-20) or 81 - 20
61 degrees
Simplify: 20+15+-3
32
-21 + 15 - (-7)
1
If x = -20 and y = -2 what is x/y?
10
An elephant at the zoo lost 24 pounds over 6 months. The elephant lost the same amount of weight each month. How much weight does the elephant lose per month?
Write an expression and then state the answer.
-24/6
The elephant loses 4 pounds each month.
Simplify: -20+(-3) + (-5)
What is -28?
-16 +(-7) - 8
-31
(-3)(4)(-5)
60
The Seal is swimming in the ocean and starts at 5 feet below sea level. It dives down 12 feet to catch a fish. The seal swims 8 feet up to catch another fish. What is the seals final elevation?
Write an expression and then state the answer.
-5 + (-12) + 8 or -5 - 12 + 8
-9 feet