Math Variables and Equations

Front

What is a variable in math?

Back

A variable is a symbol, often represented by a letter, that stands for a number we don't know yet.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is an equation?

Back

An equation is a mathematical statement that shows that two expressions are equal, using an equal sign (=).

Front

What is the sum of two numbers?

Back

The sum is the result of adding two or more numbers together.

Front

What is the difference in subtraction?

Back

The difference is the result of subtracting one number from another.

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times.

Front

What is the product of 7 and 9?

Back

The product of 7 and 9 is 63.

Front

What is the value of x in the equation 2x + 3 = 11?

Back

The value of x is 4.

Front

What does it mean to evaluate an expression?

Back

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

Front

What is the term for the number being subtracted in a subtraction problem?

Back

The term is called the 'minuend'.