Vocabulary
Combining Like Terms & Distributive Property
Solving Expressions
Equations & Inequalities
100
What is the order of operations?
PEMDAS
Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction
100
What are the like terms in the following expression?
5x - 2 + 3x + 4b
5x and 3x
100
Write an algebraic expression with n for the phrase
"Three times a number plus five"
3n + 5
100
Write the open equation. Find the value of x to balance the scale.
x + 3 = 7
x = 4
200
What is a variable?
a letter that represents an unknown number
200
Simplify.
(3x - 2) + (2x - 5)
5x - 7
200
Simplify.
15 + 2 x 3
21
200
Solve the equation.
2x - 5 = 7
x = 6
300
What is an equation?
Give an example using subtraction.
a math sentence that uses an equal sign to show that two expressions are the same.
300
Simplify.
(7n - 3) - (1 - n)
8n - 4
300
Find the value of the expression when a = 6 and b = 5.
2a + 2b
2(6) + 2(5) = 22
300
Solve the inequality.
5a + 2 < 12
a < 2
400
What is an expression?
Give an example using multiplication.
a math sentence with numbers and/or variables and math operations (only one side of an equation)
400
Simplify.
4(2x - 1)
8x - 4
400
Table 1:
2(1) - 2 = 0
2(6) - 2 = 10
2(7) - 2 = 12
Table 2:
25 - 20 = 5
25 - 5 = 20
25 - 18 = 7
25 - 9 = 16
400
Solve the equation. Graph the solution.
3x = -12
x = -4
500
What is an inequality?
Give an example.
A math sentence using greater than > or less than < between two expressions.
500
Simplify.
4(2x - 3) - x
7x - 12
500
Let ◊ = 3, □ = 5. Evaluate the following expression using PEMDAS.
4◊ + 2□
(4 x 3) + (2 x 5) = 22
500
Solve the inequality. Graph the solution.
7n < 21
