Recall all Words
The Product of a number and twelve.
12(X) or X(12),
12x,
12✖️X, X✖️12
X/3 - 10
Triple a number decreased by ten
The difference between an expression and an equation
An equation contains an equal sign while an expression does not
Evaluate: 1282736450
1
Why?
The zero power rule
Words that represent addition
Add, Plus, Sum of, Increase by, More than, Total, All Together
30 less then a number
X - 30
3(X) + 8
Triple a number plus eight
Evaluate: 1010
10,000,000,000
Words that represent subtraction
Difference, Minus, Less than, Decrease by, Subtracted from.
The quotient of a number and negative three
X/-3
X➗-3
X
-3
M + 6(X)
M plus the product of 6 and a number
Words that mean you must reverse the numbers represented when write out an expression. “turns around phrases”
Less than, More then, subtracted from.
Evaluate: (-4)3
(-4)(-4)(-4)
(16)(-4)
-64
Words the represent Multiplication
Times, Product, Twice, Double/triple, Per, of
Four times the sum of five and a number
4(5+X)
2(X-11)
Twice the difference if an number and 11
If an expression contain the words “difference” or “sum”, the expression must also contain what?
Hint:What symbol must be present in the express expression?
Parentheses
Convert the number to standard form:
6.749 X 105
674,900
Words that represent Division
divided by, quotient, half/third/quarter, separate
The quotient of twelve and and a number increased by two
12 / X + 2
(X-8)/3
The difference of a number and 8 divided by 3
Convert the number to scientific notation:
0.0000008763