Equations and Expressions Review

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 an expression?

Back

An expression is a combination of numbers, variables, and operations (like +, -, ×, ÷) that represents a value.

Front

What does 'quotient' mean?

Back

The quotient is the result of dividing one number by another.

Front

What is the solution to the equation x ÷ 4 = 8?

Back

x = 32.

Front

How do you write the expression for 'the quotient of ten and two'?

Back

10 ÷ 2.

Front

What does it mean to 'combine' numbers in an equation?

Back

To combine numbers means to add them together.

Front

How do you write the equation for 'A number combined with 6 is the same as 11'?

Back

x + 6 = 11.

Front

What is the value of Δ in the equation 6 ⋅ Δ = 18?

Back

Δ = 3.

Front

How do you write the equation for 'Decreasing a number by 8 gives 10'?

Back

x - 8 = 10.

Front

What is a variable in mathematics?

Back

A variable is a symbol (like x or Δ) that represents an unknown number.