Evaluating Expressions

Front

Evaluate 3d if d = 5

Back

15

Front

Evaluate the expression for x = 2: 4 − x

Back

2

Front

Write an algebraic expression for '8 less than a number'.

Back

x - 8

Front

Write an algebraic expression for 'a number subtracted from eight'.

Back

8 - n

Front

Write an algebraic expression for 'the quotient of a number and 4'.

Back

n / 4

Front

What is an expression in mathematics?

Back

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

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 an algebraic expression?

Back

A symbol (like x or n) that represents 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

How do you simplify the expression 2(x + 3)?

Back

2x + 6