Integer Word Problems

Show your work for each problem.

1.
The temperature was in the morning. It rose by degrees. What is the temperature now?
1. a)
2. b)
3. c)
4. d)
Answer:
. Starting at and adding moves us units to the right, past zero to .
2.
A submarine is at meters. It descends more meters. What is its new depth?
Answer: -70
. The submarine was at m and went down more, so it's now at meters.
3.
Tom had 15 euros. He spent 22 euros using his debit card. What is his account balance now?
1. a) euros
2. b) euros
3. c) euros
4. d) euros
Answer: euros
. Tom had 15 euros but spent 22, so he owes 7 euros. His balance is euros.
4.
The temperature at midnight was . By 6 AM it dropped degrees. What was the temperature at 6 AM?
Answer: -9
1. What was the starting temperature? -6
2. Does 'dropped' mean add or subtract? subtract
3. What is ? -9
5.
An elevator starts at floor , goes down floors, then up floors. What floor is it on now?
1. a)Floor
2. b)Floor (Ground)
3. c)Floor
4. d)Floor
Answer: Floor (Ground)
. The elevator ends up at the ground floor.
6.
A diver is at meters. She ascends meters, then descends meters. What is her final depth?
Answer: -18
. Her final depth is meters.
7.
Lisa's bank account shows euros. She deposits euros and pays a bill of euros. What is her new balance?
Answer: 5
1. What is the starting balance? -30
2. After depositing 50 euros, what is the balance? 20
3. After paying the 15 euro bill, what is the final balance? 5
8.
A football team gains yards, loses yards, then gains yards. What is the net yardage?
1. a) yard lost
2. b) yards gained
3. c) yards gained
4. d) yards gained
Answer: yards gained
. The team gained a net of yards.
9.
The temperature at 8 AM was . By noon it rose degrees, then dropped degrees by 4 PM. What was the temperature at 4 PM?
Answer: 0
1. What was the temperature at 8 AM? -4
2. After rising 10 degrees by noon, what is the temperature? 6
3. After dropping 6 degrees, what is the final temperature? 0
10.
Mountain A has a peak at meters. Mountain B has a peak at meters. The valley between them is at meters (below sea level). What is the elevation difference between Mountain A's peak and the valley?
Answer: 2650
. The elevation difference is meters.
11.
Submarine X is at meters. Submarine Y is at meters. How much deeper is Submarine X than Submarine Y?
1. a) meters shallower
2. b) meters deeper
3. c) meters deeper
4. d) meters
Answer: meters deeper
. Submarine X is meters deeper than Submarine Y.
12.
A company had a profit of 25000 euros in January, a loss of 18000 euros in February, a profit of 12000 euros in March, and a loss of 8000 euros in April. What was the net profit or loss for these four months?
Answer: 11000
1. Write January's result as an integer 25000
2. Write February's result as an integer -18000
3. What is the total after January and February? 7000
4. Add March and April to get the final result 11000
13.
At midnight, the temperature was . It dropped degrees by 3 AM, rose degrees by 9 AM, rose another degrees by 2 PM, then dropped degrees by 6 PM. What was the temperature at 6 PM?
Answer: -5
. The temperature at 6 PM was .
14.
A golfer's scores relative to par for 4 rounds were: , , , . What was the golfer's total score relative to par?
Answer: 2
1. Add the first two rounds: -1
2. Add round 3: -2
3. Add round 4: 2
15.
Which expression represents: 'A temperature of increases by degrees'?
1. a)
2. b)
3. c)
4. d)
Answer:
Start with (the original temperature) and add (the increase). The expression is .