Evaluate Expressions

Front

Evaluate 2r + 1 if r = 3

Back

7

Front

What does 3² mean?

Back

3 x 3

Front

Evaluate 5 x (6-3)

Back

15

Front

Evaluate 4 + y if y = 3

Back

7

Front

What is the result of 4 + 2 x 7?

Back

18

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators.

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 3 + 4 x 2

Back

11

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.