Evaluating Expressions

Front

What is the product of 4 and p?

Back

4p

Front

Evaluate 3x - 7 if x = 6.

Back

11

Front

Evaluate 3d if d = 5.

Back

15

Front

Evaluate m² if m = 7.

Back

49

Front

Evaluate 4y if y = 3.

Back

12

Front

What does it mean to evaluate an expression?

Back

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

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value, often denoted by letters like x, y, or p.

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operations (like +, -, *, /) that represents a 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

How do you evaluate an expression with multiple variables?

Back

Substitute each variable with its corresponding value and then perform the operations.