Operations with Integers
7
-15 + 7.2
-7.8
1/2 + -3/8
1/8
(-5)(6)
-30
What is absolute value?
- 23 + -16
-39
5.13 - (-12.4)
17.53
- 2/3 - (-4/5)
2/15
-5 ∙ -5
25
l -8 l =
8
-12 - 10
-22
12.48 + -0.2
12.28
- 3/8 X 4/5
-3/10
A mountain has a peak of 2530 feet and a whale is at a dept in the ocean of -233. What is the distance between the peak of the mountain and the location of the whale?
2763 feet apart
Over 6 days the stock market fluctuated by the following: -1 3/4, -1, 2, 2.3, -2 and -1.5. Put these numbers in order from least to greatest.
-2, -1 3/4, -1.5, -1, 2, 2.3
17 - (-5)
22
-32.4 + - 2.5
-34.90
1 1/2 x (- 2/3)
-1
Lisa's company lost $100 every month for 7 months. What integer represents the company's earnings after 7 months?
-700
-33, 42, -16, 40, -20, -55 are temperatures that were recorded for high and lows for Fargo, ND. Which temperature has the largest absolute value?
-55
8 - 17
-9
3.2 ∙ 4
4
- 8 ∙ 2/5
20
The temperature was 8 degrees below zero in the morning. The temperature rose by 10 degrees by lunch and then dropped 7 degrees by 8 PM. Find the temperature at 8 PM.
-5 degrees
2 - ⎟-15⎟- (-3)
26