Pre-Algebra Review

Front

Simplify the expression: -1 + 4n + 8 + 6n

Back

10n + 7

Front

Solve the equation: 2x - 3 = 1

Back

x = 2

Front

Simplify the expression: 2m - 8 - 2m - 1

Back

-9

Front

Simplify the expression: -9 + (-4)

Back

-13

Front

Simplify the expression: 83 + (-53)

Back

30

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Front

What is a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What does it mean to combine like terms?

Back

To simplify an expression by adding or subtracting terms that have the same variable and exponent.

Front

What is the order of operations?

Back

PEMDAS: Parentheses, Exponents, Multiplication and Division (left to right), Addition and Subtraction (left to right).