WEBSTER
What is a letter that represents a number?
What is a variable?
What does PEMDAS stand for?
What are Parentheses, Exponents, Multiply, Divide, Add, Subtract?
Write an expression for “the sum of a number and 7.”
What is (n + 7)
Evaluate (x + 4) when (x = 3).
7
What property states (a + b = b + a)?
What is the Commutative Property of Addition?
What is a mathematical phrase with numbers, variables, and operations but no equals sign?
What is an algebraic expression?
Evaluate: (6 + 3 * 4)
18
Write an expression for “three times a number.”
3n
Evaluate (5x) when (x = 6).
30
What property states (a(b + c) = ab + ac)?
What is the Distributive Property?
*** DOUBLE ***
What is a number multiplied by a variable called?
Coefficient
Evaluate: (20 - (4 + 6))
10
Write an expression for “five less than a number.”
n-5
Evaluate (x^2 - 2) when (x = 4).
14
What property states (a + 0 = a)?
What is the Identity Property of Addition?
What is a statement that says two expressions are equal?
What is an equation?
Evaluate: (2^3 + 5 * 2)
18
Write an expression for “twice a number plus 9.”
what is (2n+9)?
Evaluate (3(x + 2)) when (x = 5).
21
What property states (a * 1 = a)?
What is the Identity Property of Multiplication?
hat are terms that have the same variables raised to the same powers?
What are like terms?
Evaluate: (24 ÷ 4 + 2^2 * 2)
14
*** DOUBLE ***
Write an expression for “eight less than three times a number.”
What is (3n-8)?
Evaluate (2x^2 + 3x) when (x = 3).
27
*** TRIPLE ***
What property justifies combining like terms?
Distrubitive