Writing and Evaluating Expressions

Front

Evaluate 3x + 8 if x = 2

Back

14

Front

What expression shows 22-12?

Back

12 fewer than 22

Front

The quotient of z and 20 is shown in which expression?

Back

z/20

Front

Which phrase describes this expression 16-y?

Back

y less than 16

Front

Which expression shows the sum of 12 and x?

Back

12+x

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 the expression by substituting variables with numbers.

Front

What is a variable in an expression?

Back

A symbol (usually a letter) that represents an unknown value.

Front

What is the difference between an expression and an equation?

Back

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

Front

What does the term 'sum' refer to in mathematics?

Back

The result of adding two or more numbers together.