Key Words
The operation that is described by the word "combined."
Addition
8 more than c
c + 8
8 / 4 + 2
8 / 4 + 2
2 + 2
4
x + 3
when x = 2
(2) + 3
5
7r + 3 + 3r
7r + 3r + 3
10r + 3
The operation that is used to describe when a number is "decreased."
Subtraction
The product of n and 12.
12n
True or False: Multiplication should always be done before division when performing the order of operations.
FALSE!
Multiplication and division are done simultaneously from LEFT to RIGHT.
3 + z - n
when z = 4 and n = 2
3 + (4) - (2)
5
9x - 9 - 2x
9x - 2x - 9
7x - 9
"Doubled", "twice", "of"
Multiplication
The difference of 30 and 13.
30 - 13
3 / 3 + 10
3/3 + 10
1 + 10
11
6(a + b)
when a = 5 and b = 2
6[(5)+(2)]
42
10 (8z - 14)
Use the DISTRIBUTIVE PROPERTY
80z - 140
The operation used to "split" numbers.
Division
What is n^3 translated into a sentence (words).
n cubed
What does "P" stand for in the acronym PEMDAS ?
Parenthesis
y(z + z)
when y = 9 and z = -4
9[(-4)+(-4)]
-72
6(x + 10) + 17
6x + 60 + 17
6x + 77
Give the correct name of a pair of grouping symbols in math.
Parenthesis OR Brackets OR Braces
A ______ word, such as THAN or _____, tells us to switch the order of terms when translating words to a mathematical expression.
Turn Around, FROM
Which operation would be completed first in this expression: 4(3) / 2^2
Exponent: 2^2 = 4
13 + (s − 53)
when s = 79
13 + [(79) - 53]
13 + 26
39
-4(4 + n) - 7
-16 - 4n - 7
-4n - 23