Order Of Operations
What does this acronym stand for: PEMDAS
Parentheses, Exponents, Multiplication and Division (same level), and Addition and Subtraction (same level)
What is the equation for finding volume?
V=LWH
How do you find the percent of a number?
part of a #/ whole # is equal to part of a %/ 100
What is 3-8
-5
What type of equation does this symbol represent?
(#)(#)
Multiplication
SOLVE: 40+4-(3-2)
43
I made a tower in the shape of a rectangular prism out of blocks. The length was 8.8in, width was 2in, and height was 4.5in. What was the volume of the figure?
79.2
What is 10% of 40?
4
What is (-3)-(-10)
-13
What type of equation does this symbol represent:
(#) / (#)
SOLVE: 2(8-3)^2+5-2
53
What is this equation discussing?
area of base x height = ?
Volume
Whats 23% written as a decimal?
.23
What is (-25) x (+2) =
-50
What does this symbol represent?
(#)^(#)
Exponents or a number raised to some other number
SOLVE: 3(25+5)-13
77
A box is 9 inches long by 11 inches wide. The total volume is 792 cubic meters. What is the missing height of the box?
8in
In a class of 24 students, 75% of them are present. What percentage are away? How many students in numbers are away?
25% or 6 students
What is (-625) / (+25) =
-25
What does this symbol represent?
√
Root or Square Root
Solve: 5 x 2 + (8 - 3)^2 + 34
69
Why would filling a box with marbles and filling the same box with cubes result in different amounts in volume?
Marbles' round forms don't fit into a box as uniformly as cubes, leaving gaps that don't completely fill the box's total volume.
A DVD priced at $30 has a 20% discount applied. How much is the discount, and what is the sale price?
Discount is $6, and the sale price is $24
When you add two negatives do you:
(sometimes/always/never)
get a positive sum.
Never
Using order of operations, what is the order you would solve an equation with these symbols:
^ + () / + -
Parenthesis, Exponent, Division, Addition, Addition, Subtration
() ^ / + + -