Vocabulary Words
The answer to a subtraction problem
Difference
-8 + 4 =
-4
-30 + 30 =
0
What number can be added to -8 to get a sum of 0?
8
Jenny scored 20 point in a game she was playing. Then she lost 30 points in the second round. In the final round she earned 40 points. What was her score at the end of the game?
30 points
A number that is to the left of zero on a number line
Negative Number
-9 + 1 =
-8
-4 + 6 =
2
What is the sum of -20 and -50
-70
Yeiko is playing a game. He started with 5 points. In the first round he lost 15 points. In the second round he won 25 points. Write an expression to show the changes in Yeiko's score.
5 - 15 + 25
The answer to an addition problem
Sum
- 5 + 5 + 4 + (-4) =
0
-4 - 5 - 6 =
-15
Which expression has the same value as -12 + -7?
-12 -7
Raul deposited $150 into his bank account. He then wrote a check for $50. Write an expression that represents the changes in the value of Raul's account.
150 - 50
The set of whole numbers and their opposites
Integers
-6 + -9 =
-15
3 + (-11) =
-8
Which expression has the same value as 0 + (-9)
0-9
Julissa is playing a game. She started with -30 points. In the first round she won 40 points. Write an expression that shows the change in Julissa's score.
-30 + 40
A number that is to the right of zero on a number line
Positive Number
12 - 4 =
8
-4 + (-14) =
-18
Which expression has the same value as 6 + (-12)
6-12
Debdut has class on the 3rd floor of the school. He went to lunch at the cafeteria on the lower level. How many floors down did Debdut go when he took the elevator to lunch?
3