Easy Points
Can a negative plus a positive equal a negative?
Yes.
EX. -3+1=-2
Fill in the blank:
____ ____ take the sum
Same Sign
-0.23x4
-0.92
In Buffalo, New York, the temperature was -14°F in the morning. If the temperature dropped 7°F, what is the temperature now?
-21°F
-7/8+2/4
-3/8
-7 times positive 10
-70
True or False:
Negative plus a negative is always a negative.
True
2.4
Maggie owes the candy store $35. Each of 5 friends will help her pay off her debt. How much will each friend pay?
$7
11/5(-8/45)
-88/225
-18 divided by -2.5
7.2
a ____ times a ____ will always equal a positive
negitive
.62-(-.27)
*Hint* use KCO
-0.35
A deep-sea exploring ship is pulling up a diver at the rate of 25 feet per minute. The diver is 200 feet below sea level. How deep was the diver 10 minutes ago?
450 ft.
-2/3-(-72/6)
*put your answer in fraction form and simplify it
11 1/3
How can you simplify -7-(-8) and what is the answer?
*Hint* Use KCO
By Using KCO you can change this expression to -7+8. The answer would be 1.
If I said Different signs take the difference what operation would I be using?
Subtraction
Can you divide decimals with the decimal points still in the numbers? If no, how do you divide decimals correctly. If yes, why?
No. If the number you're dividing by has a decimal, move the decimal point all the way to the right counting the number of places you've moved it to. Then you have to move the decimal point in the number you're dividing the same number of places to the right.
While watching a football game, Sarah decided to list yardage gained as positive integers and yardage lost as negative integers. After these plays, Sarah recorded 14, –7, and 9. What was the net gain or loss?
16 yards gained.
99/80+(-56/4)
*answer should be in simplest form
-12 61/80
-2/5-0.40
*Your answer can be in decimal or fraction form
**-2/5 = negative two fifths
-0.8 or -4/5
Yes Or No:
2 integers with different signs could possibly equal a positive number if multiplied. Give an example for any answer.
No. If 2 integers with different signs are multiplied, it will always be negative.
Possible Example: -4(7)=-28
-45.9/0.75
*Your answer has to be in decimal form
-61.2
Joe is playing a game with a die. If the number that he rolls is even, he will gain 5 times the number that comes up and if it is odd, he will lose 10 times the number that comes up. He tosses a 3. How many points did he gain or lose?
Joe loses 30 points. In integer form this is -30 points.
-78/9 divided by 12/5
*remember: KCF
-3 11/18 or -43/18