Evaluating Algebraic Expressions

Front

Evaluate 2r + 1 if r = -3

Back

-5

Front

Evaluate 4y if y = 3

Back

12

Front

What is the second step in the problem (3 + 4) 9 + 3 = ?

Back

Multiplication

Front

Evaluate 3x + 5 when x = 5

Back

20

Front

Evaluate x - 20 when x = 3

Back

-17

Front

What is an algebraic expression?

Back

An expression that contains numbers, variables, and operations.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting variables with numbers.

Front

What is the order of operations?

Back

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

Front

Evaluate 5a - 2 when a = 4

Back

18

Front

What is a variable in algebra?

Back

A symbol, often a letter, that represents an unknown value.