The first part of the problem to solve using order of operations.
What are parentheses? ( )
The number of days in w weeks.
What is
7w ?
8(2+6)-4*5
8(2+6)-4*5
8(8)-4*5
64-4*5
64-20
44
|18|
What is 18 ?
-240+(-37)
What is -277 ?
These include all positive and negative whole numbers, and zero.
What are integers?
My total money earned if I make $14 per hour and work x hours.
What is 14x ?
(4^2+3^2)/5-5
(4^2+3^2)/5-5
(16+9)/5-5
25/5-5
5-5
0
-|-32|
What is -32 ?
4-33
What is -29 ?
If I add the total rainfall over a week then divide by seven for seven days in the week...I have just calculated this.
What is the mean (or average) rainfall?
The total money I make if I earn $14 per hour for x hours and have to pay a $30 parking fee.
What is 14x-30 ?
(9+3)^2/(-3*2^2)
(9+3)^2/(-3*2^2)
12^2/(-3*2^2)
144/(-3*4)
144/-12
-12
The order of these numbers from least to greatest:
|-15|,32,-10,4,-17,-20
What is -20,-17,-10,4,|-15|,32 ?
-12-2+15
-12-2+15
-14+15
1
The distance between a number and zero.
What is absolute value?
The number of years in d days.
What is d/365 ?
x=5
y=7
(3x-2y)/(x+4)
(3x-2y)/(x+4)
(3(5)-2(7))/(5+4)
(15-14)/9
1/9
|7-11|+3
|7-11|+3
|-4|+3
4+3
7
-8+11+3+(-4)
-8+11+3+(-4)
3+3+(-4)
6+(-4)
2
If I'm evaluating a problem with many operations and using PEMDAS...I follow this order to decide which multiplication or division problems I do first.
What is left to right?
The number of kilometers in m miles.
What is m/1000?
a=3
b=-4
(6(b-a)^2)/(a-b)
(6(b-a)^2)/(a-b)
(6(-4-3)^2/(3-(-4))
(6(-7)^2)/7
6*49/7
6*7
42
d=10
e=-6
f=-12
(ef)-|e-d|
(ef)-|e-d|
(-6*-12)-|-6-10|
-72-|-4|
-72-4
-68
9-(-4)-4-(-9)
9-(-4)-4-(-9)
9+4-4-(-9)
13-4+9
9+9
18