Amanda is playing her new video game, Track Runner. At first, she earned 20 points for winning a sprint. Then in the next race, she got –25 points when she knocked over most of her hurdles. What is Amanda's total score now?
a)
Amy added 20+(–25) and came up with an answer of 5 points
b)
Amy added 20+(–25) and came up with an answer of -5 points
c)
Amy added 20+(– 25) and came up with an answer of 45 points
14.
The picture shows what integer addition problem?
a)
5 + ( -2)
b)
- 5 + ( -2)
c)
-5 + 2
15.
The temperature on a winter night was -23 °F.
The temperature got warmer by 5 ° when the sun came up.
When the sun set again, the temperature
dropped by 7 °F.
Write and evaluate an expression to find the temperature
after the sun set.
a)
21°
b)
25°
c)
-12°
d)
-25°
16.
Lauren created a new math game where cards with RED diamonds were NEGATIVE integers.
What was Lauren's total score of her cards?
a)
-18
b)
-20
c)
18
d)
20
17.
-23 + 51
a)
-74
b)
28
c)
41
d)
51
18.
-4 + (-5) + (-1)
a)
-10
b)
-8
c)
10
d)
8
19.
A submarine was situated 800 feet below sea level. If it ascends 250 feet, what is its new position?
a)
550 feet above sea level
b)
550 feet below sea level
c)
1050 feet above sea level
d)
1050 below sea level
20.
Which situation best describes a Zero Pair?
a)
You lost $5 then you spent $6.
b)
You had 2 dogs and then you got 2 more dogs.
c)
You had 4 apples and then you ate 4 apples.
d)
You owed $7 then you found a ten dollar bill.
แป้นคำตอบ
Add Integers
คำถามทั้งหมด: 20
1.
a)
Same sign add, and get -11.
2.
b)
Different signs subtract, and get 7.
3.
b)
Same sign, add and get -10
4.
a)
Same sign add, and get 18
5.
b)
False
6.
a)
True
7.
a)
True
8.
c)
-5
9.
b)
4
10.
c)
( -2 ) + ( -5 ) =. - 7
11.
a)
-4 + ( - 1 )
, b)
- 3 + ( - 2)
12.
d)
-15 + 7
, b)
- 2 + ( -6)
13.
b)
Amy added 20+(–25) and came up with an answer of -5 points