Adding Integers
Subtracting Integers
Multiplying Integers
Dividing Integers
Word Problems
100
-5+(-4)
-9
100
5-8
-3
100
-30 x 3
-90
100
0 divided by -4
0
100
A soccer team is having a car wash. The team spent $55 on supplies. They earned $275, including tips. The team's profit is the amount the team made after paying for the supplies. Write a sum of integers that represents the team's profit. Solve.
-55+275=220. The team's profit was $220
200
12 + (-25) =
-13
200
-5 - (-3)
-2
200
-9(-8) =
72
200
-30/10
-3
200
When Tom found the difference -11-(-4) he got -15. What might Tom have done wrong?
Tom found -11-4 instead of -11-(-4). To subtract -4, he should add the opposite of -4: -11+(4)=-7
300
-33 + 48 =
15
300
1 - 49 =
-48
300
7(40)
280
300
-42/(-7) =
6
300
Adam is scuba diving. He descends 5 feet below sea level. He descends the same distance 4 more times. What is Adam's final elevation?
5(-5)=-25 feet. Adam is 25 feet below sea level.
400
-7 + 8 + (-5) =
-4
400
5 - (-5) =
10
400
-9(9)
-81
400
4/0
undefined
400
Walter buys a bus pass for $30. Every time he rides the bus, money is deducted from the value of the pass. He rode 12 times and $24 was deducted from the value of the pass. How much does each bus ride cost?
24/12=2; each ride costs $2
500
-14 + 5 + (-9) + 7 =
-11
500
8 - 9 - (-10)=
9
500
5(-9)(2) =
-70
500
-70/10
-7
500
Lisa is standing on a dock beside a lake. She drops a rock from her hand into the lake. After the rock hits the surface of the lake, the rock's distance from the lake's surface changes at a rate of -5 inches per second. If Lisa holds her hand 5 feet above the lake's surface, how far from Lisa's hand is the rock 4 seconds after it hits the surface?
80 inches
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