Adding
A temperature reading in a city was -5 degrees in the morning and rose by 12 degrees by the afternoon. What is the temperature in the afternoon?
7 degrees
A submarine is at a depth of 50 meters below sea level. It ascends 20 meters. What is the submarine's new depth?
-30 meters
A box contains 5 packs of gum, and each pack has 4 pieces of gum. How many pieces of gum are there in total?
20 pieces
24÷6
4
Positive and Negative whole numbers are called ______.
Integers
A diver is 30 feet below sea level. He swims up 15 feet. What is his new position relative to sea level?
-15 feet
A bank account has a balance of $300. After a withdrawal of $125, what is the new balance?
$175
A hiker descends 3 meters for each of the 4 segments of his hike. What is the total change in elevation?
-12 meters
−42÷7
-6
Fractions, Decimals, and Percents are called _______.
Rational numbers
The stock price of a company increased by $25 in the first quarter and by another $30 in the second quarter. What is the total increase in the stock price?
$55
The temperature in a freezer is -15 degrees Fahrenheit. If the temperature rises by 10 degrees, what is the new temperature?
-5 degrees Fahrenheit
A bank account has a balance of $200. If a fee of $25 is deducted for each of the 3 months, what is the total deduction?
-$75
15÷−3
-5
Distance a number is away from zero on the number line, must be positive!
Absolute Value
During a football game, a team lost 10 yards on one play and gained 15 yards on the next. What is the net gain or loss of yards?
5 yards
A runner finished a race 40 seconds behind the leader. If the leader completed the race in 2 minutes and 30 seconds, how long did the runner take to finish?
190 seconds or 1 minute and 30 seconds
A temperature drops 4 degrees each hour for 6 hours. What is the total change in temperature?
-24 degrees
−36÷−9
4
The integer that is not positive or negative.
Zero
A mountain climber started at an elevation of 200 feet above sea level. During the climb, he descended 150 feet and then ascended 70 feet. What is his final elevation?
120 feet
A mountain climber starts at an elevation of 1,200 meters above sea level. During his ascent, he climbs up 350 meters, but then he encounters a steep drop and descends 480 meters. What is his final elevation?
1070 meters
-8 X 40 =
-320
56÷−8
-7
Two integers that when added together equal zero.
Additive Inverse