Nothing but RULES
Positive + Positive =
Negative + Negative =
Positive
Negative
A bird is flying 30 meters above sea level
Positive
What is Ms. Green's favorite color?
Blue
True (same signs = positive)
-12 + -12 =
-24
When you multiply numbers with the same sign your sum is ______
When you multiply numbers with a different sign your sum is ______
Positive
ie: 5x5= 25
Negative
Ie: - 5x5=- 25
It is 32 degrees below 0
-32
How many Harry Potter movies are there?
8
OR
7 with 2 parts
True
-45 - (-15)
-30
Remember: add the opposite -45 + (+15) = -30
When you divide numbers with the same sign your sum is ______
When you divide numbers with a different sign your sum is ______
Positive
-4/ -1 = 4
Negative
-4/ 1 = -4
I deposited $30 in my bank account
+30
Who was the first president of the United States
George Washington
-11 is greater than -9
False
7x-9 =
-63
What is the rule for subtracting positive and negative numbers?
Hint: 4 - (-1) can become....
ADD THE OPPOSITE
4 - (-1) = 4 + (+1) = 5
I withdrew $50 from my bank account
- $50
How many chambers does the human heart have?
4
The answer to (-) / (+) would be a positive
False (different signs = negative)
-12 / 2
-6
In order to determine if the solution to a (+) + (-) you must use the _____________
Hint = -13 +16 =
-9 + 7 =
Sign of the larger absolute value number
-13 +16 = 3
-9 + 7 =-2
I had $300 in my bank account. After I made a withdrawal, I had $130 in my account. How much did I withdraw?
*answer must include either the (+) or (-) sign
- $170
If you had only one match, and entered a dark room containing an oil lamp, some newspaper, and some fire wood, which would you light first?
The Match
-14 + 18 = 4
True
* Use the larger absolute value number to determine the sign
Review
* -14 + 4 = - 10
What is the absolute value of -73
73