add and subtract
-4 + -2
-6
(-7)(8)
-56
|9|
9
30 + (-2)(6)
18
Compare using <, > or =. Show your simplified expressions.
(-2)4____ -24
16 > -16
-34 - ( - 8) change subtraction to adding the opposite
-26
(-54)/-6
9
-|-27.39|
-27.39
-15 + 45 -:(-3) +4
-26
Compare the following fractions using <, > or =. If they are not equal, find a fraction between them.
-2 5/6 and -2 13/15
-2 5/6 > -2 13/15
Because
-2 25/30 > -2 26/30
And between them is
-2 51/60
change subtraction to adding the opposite
-13 + (- 7) - (-4)
-16
((-6)(8))/12
-4
Compare using <, > or =
-|-13| ______ -|13|
-|-13| = -|13|
Change subtraction to adding the opposite
(9 - 11)^2 - (-7)
11
Reid is scuba diving and is at 78 feet below sea level. George is on top of Mt. Hood which is 11, 239 above sea level. What is the difference in their elevations?
11, 317 feet
change subtraction to adding the opposite
-18 - 16 + 2
-32
a = -6, b = 4, c = -8
(ac)/(a+b)
-24
I'm thinking of a number whose absolute value is 19. What is my number?
19 or -19. You need to have both!
Change all subtraction to adding the opposite
-4^2-(-6 - 2) -: (-4)
-18
Ms. Seder has a dog walking business that loses $25 each month. (She spends too much on dog treats!). If she runs her business for 5 months, what integer represents her financial situtation?
$-125.
51 - (-3) - 37 + -18
-1
a = -1, b = 12, c = -6 show good substitution
(a^3*b)/-c
-2
-abs(((-4) - (-22))/((-9)+6)
-6
Change all subtraction to adding the opposite FIRST!
3
True or false and provide an example to back up your opinion:
The difference of any positive number and any negative number is always negative?
False: 16 - (-1) = 17