Rules and Definitions
What are dot markers and a number line?
25 + 27 =
52
400
100 / 4 =
25
The temperature fell a total of 12oF in 4 hours. How much did it change each hour?
-3
A negative + negative =
a bigger negative
9 - (-20) =
29
8*(-4)
(-32)
8 / (-4) =
(-2)
A football team lost 3 yards on each of the 4 plays they ran. What was their overall change in yardage?
-12
Multiplying and dividing integers with the same sign will result in a ______ answer
positive
(-15) + 15 =
0
-12 * 5 =
(-60)
-48 / 6 =
(-8)
Harry missed 16 points on a test. Each incorrect response is 2 points. Harry went back and tried to correct some questions and earned 4 points back. How many questions does Harry still have wrong?
6
"Add the opposite" goes for this integer operation
What is subtraction?
-20 - (-12) =
-8
5 * (-25) =
(-125)
-221 / -13 =
17
Mary is playing Bingo. Each Bingo card is $15. She plays 10 games and buys 20 cards. For each game, she came in second place and won $8. Did Mary earn her money back? If so, how much does she have? If not, how much is she in debt?
in debt $220
Multiplying and dividing integers with different signs will result in a ______ answer
negative
-13 * (-4)
52
-345 / 15 =
-23
In a quiz game, you lose 3 points for missing questions and get 4 points for answering correctly. Allison missed 4 questions, but got 8 questions correct. If Allison completed extra credit for a total of 7 points, how many points does Allison have?
27