Real world and opposites
The integer that represents the following statement: "15 yard loss"
-15
Compare 8 and 6
8 > 6
12 + 4
16
The set of all whole numbers and their opposites.
What are integers?
The sum of two negative integers is always positive.
False because...you are to the left of zero and go more negative.
The opposite of 5
-5
Compare -1 and -4.
-1 > -4
-3 + (-5)
-8
Numbers greater than zero
positive integers
-2 + 4 = 6
False. -2 + 4 = 2
Opposite of -42
42
6 and -(-7)
6 < 7
1 + (-11)
-10
The absolute value of 10 is ___ and the absolute value of -10 is ___.
If x + y = 15 and x = -9, y must equal 24.
True.
(+24) + (-9) =+15
The integers that come just before and just after -7.
-6 and -8
Order from least to greatest: 0, -2, 4
-2, 0, 4
13 + (-6)
7
The sum of two opposites is equal to ___.
zero
A debt of $13 is greater than a debt by $1.
False:
-1 > -13
Jennifer took out a loan for $3,000 to buy a car. (Express as an integer.)
Order for from greatest to least: -7, 0, -3, 2
2, 0, -3, -7
The temperature is 3 degrees above zero then it goes down 6 degrees. Show the equation and the sum.
(+3) + (-6) = -3
When adding two integers with the same sign you ______________________.
Add the absolute values and keep the same sign
The smallest (lowest) temperature in this set is -20 degrees F:
99, -9, -20, -30, 45 degrees F
False, -30 degrees F is the lowest.
The integer that represents an altitude of 1500 meters.
+1500
1, 4, -2, 0, 3, -5 from greatest to least
4, 3, 1, 0, -2, -5
The floor of the shallow end to swimming pool is 3 ft below the surface. The deep end's floor is 9 feet deeper. Depth of deep end is....
(-3) + (-9) = -12 feet
When adding integers with different signs (such as -875 + 50) you can...
Subtract the absolute values, and make the answer have the sign of what you have more of (positives or negatives). Since 875-50 = 825, the answer is -825.
The absolute value of 900 + the absolute value of -900 is equal to zero.
False: 900 + 900 = 1800