An operation that reverses, or undoes another operation.
Inverse Operation
Terms whose variables and exponents are the same.
Like-Terms
72 - 64
8
The sum of a number and 12 is 29.
What is the number?
17
What is the smallest prime number?
2
A sentence with a minimum of two numbers or variables, and/or one operation.
Expression
To find the value of something via substitution (or replacement).
Evaluate
25.78 + 67.92
93.70
The sum of three consecutive even integers is −66.
What are the three consecutive numbers?
-20 ; -22 ; -24
What number is the only number that is spelt in alphabetical order?
Forty (40)
A numerical factor that accompanies a variable or term, in an expression.
Coefficient
A fixed value.
Constant
3766 / 7
538
Adam bought snacks for his team's practice. He bought a bag of oranges for $5.35 and a 15-pack of juice bottles. The total cost was $34.45.
How much was the juice?
$29.10
How many seconds are in a day?
86, 400
Reducing an expression, fraction, or problem to a simpler form.
Simplify
To find the numerical value or result of a mathematical expression/equation.
Solve.
152
225
Shaquana has a points card for a movie theater.
She receives 40 rewards points just for signing up.
She earns 13.5 points for each visit to the movie theater.
She needs 175 points for a free movie ticket.
How many visits must Shaquana make to earn a free movie ticket?
10 visits.
What is the sum of the interior angles of a triangle?
180 degrees
A mathematical statement that shows that two mathematical expressions are equal.
Equation
A relation which makes a non-equal comparison between two numbers/expressions.
Inequality
2(9 - 3)3
72
How do eight 8s add up to one-thousand?
888 + 88 + 8 + 8 + 8 = 1000
Who is the "father" of Algebra?
Muḥammad ibn Mūsā al-Khwārizmī