Expression or Equation

Front

What is an equation?

Back

An equation is a mathematical statement that shows the equality of two expressions, often containing one or more variables. For example, 12 + t = 42 is an equation.

Front

What is an expression?

Back

An expression is a combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value but does not include an equality sign. For example, x + 15 is an expression.

Front

Identify if the following is an expression or an equation: 16 ÷ f = 4

Back

Equation

Front

Identify if the following is an expression or an equation: b + 3

Back

Expression

Front

What does the variable 't' represent in the equation 12 + t = 42?

Back

The variable 't' represents an unknown value that, when added to 12, equals 42.

Front

What is the solution to the equation 15 = d – 36?

Back

The solution is d = 51, because when you add 36 to both sides, you get d = 15 + 36.

Front

What is the first step to solve the equation b + 3 = 19?

Back

The first step is to subtract 3 from both sides of the equation to isolate the variable b.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign and represents a value, while an equation has an equality sign and shows that two expressions are equal.

Front

Identify if the following is an expression or an equation: 12 + t = 42

Back

Equation

Front

What is the value of 'f' in the equation 16 ÷ f = 4?

Back

The value of 'f' is 4, because 16 divided by 4 equals 4.