Sum of Integers
4 + 20
24
A football team loses 5 yards on one play and then loses 8 yards on the next play. How many yards did they lose total?
They lost 13 yards
Any number times 0?
0
-12 + (-4.25)
-16.25
During a basketball game, Team A scored -15 points in the first half because of penalties but gained +27 points in the second half. What was the team’s total score for the game?
12 points
-12 + 5
-7
You park in a garage 3 floors below ground level. Then you get in the elevator and go up 12 floors. What floor do you get off the elevator?
9th floor
Is decimals and/or fractions an integer?
NO
-1 + (10.50)
9.50
The temperature at 6 a.m. was -8°F. By noon, the temperature increased by +13°F. What was the temperature at noon?
5 degrees at noon
-16 + (-17)
-33
Stephanie has $152 in the bank. She withdraws $20 then deposits $84. How much money is in her bank account?
$216
Is this an integer? 12.654
NO
-4.25 + (-6.25)
-10.5
A hiker climbed 350 feet in the morning but descended -120 feet after lunch. What is the hiker’s elevation after lunch?
230 feet
-5 +6
1
You are 5 dollars in debt. You borrow 12 dollars more. What is the total amount of your debt?
$17
What is an integer?
A whole number, positive or negative.
15.75 + (-4.25)
11.5
A diver descended -45 feet below sea level, then moved up 20 feet toward the surface. Where is the diver now relative to sea level?
-25 feet relative to sea level
-9 +5
-4
An airplane takes off and climbs to 2500ft. After 20 minutes, the airplane descends 200 feet. What is the airplane's current altitude?
2,300 ft
Is this an integer? 13.00
YES
3.50 + (-2)
1.5
The temperature at midnight was -12°C. By 6 a.m., it had risen by 7°C, and by noon, it had risen another 5°C. What was the temperature at noon?
0 degrees