Key Concepts
When adding two negative numbers, your result will be...
a. positive
b. negative
c. the sign of the larger absolute value
d. the sign of the smaller absolute value
b. Negative
Julio has $33 in his checking account. He withdraws $42. What is the new balance in his bank account?
-$9
24 / (-6)
-4
-9.5 + 7.2
-2.3
-1/8 multiplied by (-2)
1/4
When multiplying or dividing a negative number by a negative number, your result will be...
a. positive
b. negative
c. the sign of the larger absolute value
d. the sign of the smaller absolute value
a. Positive
-4 - 16
-20
-6 (7)
-42
5 + (-1/2)
4 1/2
-4.4 divided by (-2)
2.2
When multiplying or dividing a negative number by a positive number, your results will be...
a. negative
b. positive
c. the sign of the larger absolute value
d. the sign of the smaller absolute value
a. negative
-6 - (-8)
2
4
9 - (-5 1/2)
14 1/2
1 3/4 multiplied by (-2 4/5)
-49/10
When adding a negative number and a positive number, your results will be...
a. positive
b. negative
c. the sign of the larger absolute value
d. the sign of the smaller absolute value
c. the sign of the larger absolute value
In Buffalo, New York, the temperature was -14 degrees in the morning. If the temperature dropped 7 degrees, what is the temperature now?
-21 degrees
Over a period of 12 hours, the temperature dropped 60 degrees. What was the average change in temperature in one hour?
-5 degrees
8 9/10 - (-1 1/2)
10 4/10
4.25 divided by 0.05
85
a. positive
b. negative
c. the sign of the larger absolute value
d. the sign of the smaller absolute value
a. positive
In the Sahara Desert, one day it was 136 degrees. In the Gobi Desert, the temperature was -50 degrees. What is the difference between these two temperatures?
186 degrees
A scuba diver is swimming at a depth of -12 feet. She dives down to five times the depth. What is her depth now?
-60 feet
-3 2/3
32/5