Integers
The integer that represents the following statement: "15 yard loss"
-15
Compare -8 and 6
-8 < 6
12 + (-12)
0
5 - 10
-5
Whole numbers and their opposites.
integers
Why is this incorrect? (-2) - (2) = 0
The numbers were subtracted without taking the negative into account. The answer is (-4)
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
SWITCHAROO
Compare -1 and -4.
-1 > -4
-3 + (-5)
-8
-5 - 10
-15
Numbers greater than zero
positive integers
Why is this incorrect? 63 - 13 = -50
Answer should be 50
An integer and the absolute value of that integer are always opposites.
False because...
6 and the absolute value of 6 are not opposites
Only sometimes true if negative signs are used in the problem
|-42|
42
l-6l and -l7l
l-6l > -l7l
Double
-14 + (-70)
-84
-29 - 14
-43
Numbers that are less than zero
negative numbers
The only number without a sign.
Zero
When adding one positive and one negative number, the answer will always be negative.
False, because the sign of the answer will depend on the sign of the number with the greater absolute value.
SWITCHAROO
The integers that come just before and just after -7.
-6 and -8
Order from least to greatest: 0, -2, 4
-2, 0, 4
38 + (-45)
-7
-26 - 52
-78
The temperature is -15.5 degrees Celsius. The temperature then rises by 6.9 degrees. What is the new temperature?
-8.6 degrees
Write the equation then solve:
A scuba diver went down 150 feet below sea level. He came up 26 feet when he spotted an exotic sea creature. How far below the surface is he?
-150 + 26 = -124feet
Subtracting integers is like adding the opposite signed integer
True
The name of numbers less than zero (using the correct term for the TYPE of numbers they are).
Negative integers
l-1l, 4, -l-2l, 0, 3, -5 from least to greatest
-5,-2,0 ,1,3, 4
-35 + 88
53
110 - 370
-480
Sherry burned 550 calories running outside. She rewarded herself with an ice cream cone that was 723 calories. How many calories did she gain or burn?
gained 173
Double
A man takes an elevator from an underground garage seven levels below the ground. He goes up 16 stories. Which floor does he get off on?
Floor 9
On a number line, subtracting a negative still means go right.
True because it actually means adding the positive, and adding a positive means go right on a number line.