Evaluate and Translate expressions

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with given numbers.

Front

What is the value of b^2 + 4 when b = 3?

Back

13

Front

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

Back

n - 10

Front

What is the quotient of sixteen and a number?

Back

16 ÷ n

Front

Translate '8 less than the product of 4 and a number m' into an algebraic expression.

Back

4m - 8

Front

If x=3, y=5, and z=10, what is the value of xyz?

Back

150

Front

What is a variable in mathematics?

Back

A variable is 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 equality sign, while an equation states that two expressions are equal.

Front

What does it mean to translate a phrase into an algebraic expression?

Back

It means to convert a verbal statement into a mathematical expression using variables and numbers.