Translate and Evaluate Expressions

Front

Evaluate the expression a² - b² if a = 4 and b = 2.

Back

12

Front

Translate the phrase '10 less than a number n' into an expression.

Back

n - 10

Front

Evaluate the expression 2a + 4b if a = 10 and b = 6.

Back

44

Front

Evaluate b² + 4 when b = 3.

Back

13

Front

Translate the phrase '8 less than the product of 4 and a number' using m for the unknown number.

Back

4m - 8

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 mathematics?

Back

A symbol (often 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

How do you translate 'the sum of a number x and 5' into an expression?

Back

x + 5