An expression that contains at least one variable.
What is an Algebraic Expression
100
Identify like terms:
3t 5w 7t 9v 4w 8v
What are (3t, 7t) (5w, 4w) (9v, 8v)
100
A mathematical sentence that shows that two expressions are equivalent.
What is an Equation (x + 4 = 7)
100
Solve 2-step equation: 11=z/8+2
What is 11-2=z/8+2-2
9*8=z/8*8
72=z
100
Simplify the Expression: 5y + 3y
What is 5y + 3y = 8y
200
A symbol used to represent a quantity that can change (let x be a symbol).
What is a Variable
200
Identify like terms:
2x 4y 5z 7y x
What are (2x, x) (4y, 7y)
200
In an equation, the value for the variable that makes the equation true.
What is a Solution.
200
Solve the equation: p + 5 = - 3
What is p+5-5=-3-5 =
p=-8
200
Solve the 2-step equation. 2x+3=23
What is 2x+3-3=23-3
2x/2=20/2= x=10
300
Two or more terms that have the same variable raised to the same power.
What are Like Terms (3a-2a)(5b+b)
300
Simplify Algebraic Expressions:
3a + 5b + 8a - 2b
What is 11a + 3b
300
The properties that states that if you give the same number to both sides of an equation, the sides remain equal (i.e., the equation continues to be true.)
What are Addition, Subtraction, Multiplication and Division Properties of Equality.
300
Solve the equation: b/-5 = 6
What is (-5)b/-5 = (-5)6 =
b=-30
300
Solve the equation with decimals. n - 2.75 = 8.3
What is n -2.75 +2.75 = 8.30 +2.75 =
n =11.05
400
The number that is multiplied by the variable in an algebraic expression.
What is Coefficient (5 is the coefficient in 5b).
400
Simplify this Expression:
7x + 9 - 3x + 5y + 6 + 2x - 4y + z
What is (7x-3x+2x) + (5y-4y) + (9+6) + z =
6x+y+15+z
400
Operations that undo each other: addition and subtraction, or multiplication and division.
What is Inverse Operations (Opposite Operations).
400
Solve the equation: 400 = 8y
What is 400/8 = 8/8y =
50=y
400
Solve and write the answer in simplest terms. 3b = 6/7 (hint: reciprocal then reduce)
What is 3b x 1/3 = 6/7 x 1/3
b = 2/7
500
To get a variable alone on one side of an equation or inequality in order to solve the equation or inequality.
What is Isolate the variable.
500
Simplify. Justify your steps using the Commutative, Associative, and Distributive Properties when necessary.
3(8a - 7y) + 16
What is (3x8a) - (3x7y) + 16 =
24a-21y+16
500
One of two numbers whose product is 1; also called multiplicative inverse.
What is Reciprocal 2/3 is 3/2.
500
Solve and write the answer in simplest form. x-3/7 = 5/7
What is x-3/7 + 3/7 = 5/7 +3/7 =
x=8/7 = x=1 1/7
500
The amount of copper in brass is 3/4 of the total weight. If a sample contains 4 1/5 ounces of copper, what is the total weight of the sample?
Let w represent the total weight of the sample. Write an equation.