Operation Words
Plus means...
Addition
≥ means...
Greater or equal to
15 less than a
15 - a
If z = 5 x 9, what does z equal?
z = 45
Difference means...
Subtraction
What is a variable?
A variable is an unknown value, represented by a letter.
Double of a number
2n
If 3x = 33, what does x equal?
x = 11
Twice means...
Multiplication
What does zero pairs mean?
A pair of numbers whose sum is zero.
The sum of pencils, erasers, and crayons.
p + e + c
If 66 - p = 45, what does x equal?
p = 21
Quotient means...
Divison
The inverse operation of multiplication is...
Division
If Ms. Soropia bought apples and bananas, how would you translate this into an expression?
a + b
If 15y + 2 = 47, what does x equal?
y = 3
Each of, or percentage of or factor of means...
Multiplication
__________ a variable means rearranging an algebraic equation so that a different variable is on its own.
Isolating
If Ms. Plant had 100 books shared with students.
100 ÷ s
If 6a - 8 = 40, what does a equal?
a = 8